Lote
Statistics
Statistics Package Questions & Answers
[Mostrar más]Statistics Package Questions & Answers
[Mostrar más]_______________ refers to the flatness of peakedness of one distribution in relation to another distribution 
A skewness B Correlation C Central tendency D Kurtosis - ANSWER: D Kurtosis 
A distribution is said to be positively skewed when the mean is 
 
A. bimodal. 
B. multimodal. 
C. shifted to...
Vista previa 4 fuera de 41 páginas
Añadir al carrito_______________ refers to the flatness of peakedness of one distribution in relation to another distribution 
A skewness B Correlation C Central tendency D Kurtosis - ANSWER: D Kurtosis 
A distribution is said to be positively skewed when the mean is 
 
A. bimodal. 
B. multimodal. 
C. shifted to...
Concepts in Probability and Statistics – 
Questions & Answers 
A bag contains 1 blue, 2 green, 3 yellow, and 3 red marbles, as shown. 
 
Which best describes the complement of choosing a red marble? - ANSWER: choosing a blue, 
green, or yellow marble 
A bag contains 1 blue, 2 green, 3 yellow, and ...
Vista previa 3 fuera de 18 páginas
Añadir al carritoConcepts in Probability and Statistics – 
Questions & Answers 
A bag contains 1 blue, 2 green, 3 yellow, and 3 red marbles, as shown. 
 
Which best describes the complement of choosing a red marble? - ANSWER: choosing a blue, 
green, or yellow marble 
A bag contains 1 blue, 2 green, 3 yellow, and ...
Statistics and Probability Questions & Answer 
Addition - ANSWER: For mutually exclusive events we can use the ____ Principle of Counting. 
Addition Rule - ANSWER: For probability this rule states that (A ∪ B) = P(A) + P(B) - P(A ∩ 
B) 
Average - ANSWER: This is the sum the numbers in a set, div...
Vista previa 2 fuera de 9 páginas
Añadir al carritoStatistics and Probability Questions & Answer 
Addition - ANSWER: For mutually exclusive events we can use the ____ Principle of Counting. 
Addition Rule - ANSWER: For probability this rule states that (A ∪ B) = P(A) + P(B) - P(A ∩ 
B) 
Average - ANSWER: This is the sum the numbers in a set, div...
Statistics and Probability Questions & Answers 
As likely as not - ANSWER: 50% 
Bar Graph - ANSWER: a graphical representation to organize data that uses solid bars that do 
not touch each other to show the frequency (number of times) that each category occurs 
Biased Sample - ANSWER: is NOT represe...
Vista previa 2 fuera de 7 páginas
Añadir al carritoStatistics and Probability Questions & Answers 
As likely as not - ANSWER: 50% 
Bar Graph - ANSWER: a graphical representation to organize data that uses solid bars that do 
not touch each other to show the frequency (number of times) that each category occurs 
Biased Sample - ANSWER: is NOT represe...
Probability and Statistics Questions & Answers 
68-95-99.7 rule - ANSWER: 
Alternative hypothesis - ANSWER: The claim that we are trying to find evidence for in a 
significance test 
Bayes Theorem - ANSWER: P[B given A] = P[A and B]/P[A] = P[A given B]P[B]/P[A] 
Bernoulli trial - ANSWER: when a rand...
Vista previa 1 fuera de 4 páginas
Añadir al carritoProbability and Statistics Questions & Answers 
68-95-99.7 rule - ANSWER: 
Alternative hypothesis - ANSWER: The claim that we are trying to find evidence for in a 
significance test 
Bayes Theorem - ANSWER: P[B given A] = P[A and B]/P[A] = P[A given B]P[B]/P[A] 
Bernoulli trial - ANSWER: when a rand...
Statistics and Probability Questions & Answers 
As likely as not - ANSWER: 50% 
Bar Graph - ANSWER: a graphical representation to organize data that uses solid bars that do 
not touch each other to show the frequency (number of times) that each category occurs 
Biased Sample - ANSWER: is NOT represe...
Vista previa 1 fuera de 3 páginas
Añadir al carritoStatistics and Probability Questions & Answers 
As likely as not - ANSWER: 50% 
Bar Graph - ANSWER: a graphical representation to organize data that uses solid bars that do 
not touch each other to show the frequency (number of times) that each category occurs 
Biased Sample - ANSWER: is NOT represe...
Statistics Questions & Answers 
A biased sample is one that - ANSWER: will likely have groups from the population overrepresented or under-represented due to systematic sampling factors. 
Only when the sampling is systematically favoring one group or another is the sample biased. 
Random samples, al...
Vista previa 2 fuera de 10 páginas
Añadir al carritoStatistics Questions & Answers 
A biased sample is one that - ANSWER: will likely have groups from the population overrepresented or under-represented due to systematic sampling factors. 
Only when the sampling is systematically favoring one group or another is the sample biased. 
Random samples, al...
Statistics Questions & Answers 
__________ occurs when random chance produces a sample statistic that is not equal to the 
population parameter it represents - ANSWER: Sampling error 
"the bigger they are, the harder they fall" describes... - ANSWER: A positive linear correlation 
"The more you s...
Vista previa 2 fuera de 14 páginas
Añadir al carritoStatistics Questions & Answers 
__________ occurs when random chance produces a sample statistic that is not equal to the 
population parameter it represents - ANSWER: Sampling error 
"the bigger they are, the harder they fall" describes... - ANSWER: A positive linear correlation 
"The more you s...
Statistics Chapter 1 Questions & Answers 
A study is conducted to measure children's growth rates without any treatment applied to the 
children. What best classifies this study? - ANSWER: Observational Study 
A study of an association between which ear is used for cell phone calls and whether the ...
Vista previa 3 fuera de 25 páginas
Añadir al carritoStatistics Chapter 1 Questions & Answers 
A study is conducted to measure children's growth rates without any treatment applied to the 
children. What best classifies this study? - ANSWER: Observational Study 
A study of an association between which ear is used for cell phone calls and whether the ...
Statistics Questions & Answers 
A frequency histogram will be the same as a relative frequency histogram, except - ANSWER: 
the values on the vertical axis will be different. 
A parameter is? - ANSWER: a numerical description of a population characteristic. 
A population is the collection of - ANSWE...
Vista previa 2 fuera de 10 páginas
Añadir al carritoStatistics Questions & Answers 
A frequency histogram will be the same as a relative frequency histogram, except - ANSWER: 
the values on the vertical axis will be different. 
A parameter is? - ANSWER: a numerical description of a population characteristic. 
A population is the collection of - ANSWE...
Statistics Questions & Answers 
A ______________ is a quantitative variable that has either a finite number of possible values or 
a countable number of possible values (countable). - ANSWER: discrete variable 
A _______________ is a quantitative variable that has an infinite number of possible valu...
Vista previa 1 fuera de 3 páginas
Añadir al carritoStatistics Questions & Answers 
A ______________ is a quantitative variable that has either a finite number of possible values or 
a countable number of possible values (countable). - ANSWER: discrete variable 
A _______________ is a quantitative variable that has an infinite number of possible valu...
Statistics Chapter 2 Questions & Answers 
A _____ chart is useful for displaying a frequency distribution for a nominal variable. - 
ANSWER: Bar 
A _____ chart is useful for displaying a frequency distribution for a qualitative variable. - 
ANSWER: Bar 
A ______ chart is useful for displaying a rela...
Vista previa 2 fuera de 7 páginas
Añadir al carritoStatistics Chapter 2 Questions & Answers 
A _____ chart is useful for displaying a frequency distribution for a nominal variable. - 
ANSWER: Bar 
A _____ chart is useful for displaying a frequency distribution for a qualitative variable. - 
ANSWER: Bar 
A ______ chart is useful for displaying a rela...
AP Statistics Questions & Answers 
5 step process: z/t test - ANSWER: State --> Ho/Ha, define parameter 
Plan --> one sample, z test 
Check --> random/normal/independent 
Do --> find p hat, find test statistic (z), use test statistic to find p-value 
Conclude --> 
p value ≤ α rejec...
Vista previa 3 fuera de 18 páginas
Añadir al carritoAP Statistics Questions & Answers 
5 step process: z/t test - ANSWER: State --> Ho/Ha, define parameter 
Plan --> one sample, z test 
Check --> random/normal/independent 
Do --> find p hat, find test statistic (z), use test statistic to find p-value 
Conclude --> 
p value ≤ α rejec...
Statistics Questions & Answers 
A company claims that a quarter of the bolts sent to them are faulty. To test this claim the number 
of faulty bolts in a random sample of 50 is recorded. 
Give two reasons why a binomial distribution may be a suitable model for the number of faulty 
bolts in the samp...
Vista previa 2 fuera de 12 páginas
Añadir al carritoStatistics Questions & Answers 
A company claims that a quarter of the bolts sent to them are faulty. To test this claim the number 
of faulty bolts in a random sample of 50 is recorded. 
Give two reasons why a binomial distribution may be a suitable model for the number of faulty 
bolts in the samp...
Statistics Review Questions & Answers 
A biology class conducted an experiment to determine if playing classical music had an effect on 
the hatching rate of chicken eggs. Here are their results.Let event A = Music and event B = 
Hatched.Calculate the following:P(A|B) = - ANSWER: .589 
A biology cla...
Vista previa 4 fuera de 32 páginas
Añadir al carritoStatistics Review Questions & Answers 
A biology class conducted an experiment to determine if playing classical music had an effect on 
the hatching rate of chicken eggs. Here are their results.Let event A = Music and event B = 
Hatched.Calculate the following:P(A|B) = - ANSWER: .589 
A biology cla...
Statistics test 3 Questions & Answers 
d) Determine the probability that a randomly selected multiple birth for women 15-54 years old 
involved a mother who was at least 40 years old. Interpret this result. Is it unusual? 
Find the probability that a randomly selected multiple birth for women 15-54 ...
Vista previa 2 fuera de 8 páginas
Añadir al carritoStatistics test 3 Questions & Answers 
d) Determine the probability that a randomly selected multiple birth for women 15-54 years old 
involved a mother who was at least 40 years old. Interpret this result. Is it unusual? 
Find the probability that a randomly selected multiple birth for women 15-54 ...
Statistics Questions & Answers 
13 - ANSWER: What is the lower class limit in the class 13-17? 
35.5 - ANSWER: Using the class 23-35, what is the upper class boundary? 
52 - ANSWER: A linear regression line y = 0.8x - 10 is computed to predict the final exam score 
y on the basis of the first score ...
Vista previa 2 fuera de 6 páginas
Añadir al carritoStatistics Questions & Answers 
13 - ANSWER: What is the lower class limit in the class 13-17? 
35.5 - ANSWER: Using the class 23-35, what is the upper class boundary? 
52 - ANSWER: A linear regression line y = 0.8x - 10 is computed to predict the final exam score 
y on the basis of the first score ...
Statistics Questions & Answers 
a correlation coefficient close to 1 is evidence of a cause and effect relationship between the two 
variables - ANSWER: false 
a medical study was investigating if getting a flu shot actually reduce the risk of developing the 
flu. From a group of adult volunteers, r...
Vista previa 2 fuera de 14 páginas
Añadir al carritoStatistics Questions & Answers 
a correlation coefficient close to 1 is evidence of a cause and effect relationship between the two 
variables - ANSWER: false 
a medical study was investigating if getting a flu shot actually reduce the risk of developing the 
flu. From a group of adult volunteers, r...
AP Statistics Questions & Answers 
10% rule - ANSWER: a sample has to be lass than 10% of the whole population 
5 number summary - ANSWER: The minumum value, lower quartile, median, upper quartile, 
and maximum value for a data set. These five values give a summary of the shape of the 
distribution ...
Vista previa 3 fuera de 18 páginas
Añadir al carritoAP Statistics Questions & Answers 
10% rule - ANSWER: a sample has to be lass than 10% of the whole population 
5 number summary - ANSWER: The minumum value, lower quartile, median, upper quartile, 
and maximum value for a data set. These five values give a summary of the shape of the 
distribution ...
Statistics Questions & Answers 
BAD SURVEY - ANSWER: 1.Do not ask leading questions; Don't influence people's decisions 
2. Do not ask personal questions 
3. Do not include any overlapping responses 
biased - ANSWER: means UNFAIR 
Box plots - ANSWER: 5 pieces of information 
commenting on the box ...
Vista previa 1 fuera de 4 páginas
Añadir al carritoStatistics Questions & Answers 
BAD SURVEY - ANSWER: 1.Do not ask leading questions; Don't influence people's decisions 
2. Do not ask personal questions 
3. Do not include any overlapping responses 
biased - ANSWER: means UNFAIR 
Box plots - ANSWER: 5 pieces of information 
commenting on the box ...
Statistics Online Questions & Answers 
*the median for the given set of six ordered data values is 29.5 - ANSWER: 7 
12 
21 
38***** 
41 
51 
a data set will always have exactly one mode - ANSWER: false 
a histogram of a set of data indicates that the distribution of the data is skewed right. which ...
Vista previa 2 fuera de 15 páginas
Añadir al carritoStatistics Online Questions & Answers 
*the median for the given set of six ordered data values is 29.5 - ANSWER: 7 
12 
21 
38***** 
41 
51 
a data set will always have exactly one mode - ANSWER: false 
a histogram of a set of data indicates that the distribution of the data is skewed right. which ...
Statistics Questions & Answers 
Advantages of q-q plot - ANSWER: (1) The sample sizes do not need to be equal. (2) Many 
distributional aspects can be simultaneously tested. For example, shifts in location, shifts in 
scale, changes in symmetry, and the presence of outliers can all be detected from ...
Vista previa 2 fuera de 13 páginas
Añadir al carritoStatistics Questions & Answers 
Advantages of q-q plot - ANSWER: (1) The sample sizes do not need to be equal. (2) Many 
distributional aspects can be simultaneously tested. For example, shifts in location, shifts in 
scale, changes in symmetry, and the presence of outliers can all be detected from ...
Statistics 211 Questions & Answers 
1 Nominal Level - ANSWER: applies to data that consist of names, labels, or categories. There 
is no implied criteria. 
2 Ordinal Level - ANSWER: applies data that can be arranged in order. However, differences 
between data values either cannot be determined or a...
Vista previa 2 fuera de 5 páginas
Añadir al carritoStatistics 211 Questions & Answers 
1 Nominal Level - ANSWER: applies to data that consist of names, labels, or categories. There 
is no implied criteria. 
2 Ordinal Level - ANSWER: applies data that can be arranged in order. However, differences 
between data values either cannot be determined or a...
Statistics Chapter 2 Questions & Answers 
37. For the distribution in the following table, what is the 50th percentile? 
a. X = 32 X c% 
b. X = % 
c. X = % 
d. X = % 
20-29 20% - ANSWER: 32 
A group of quiz scores ranges from 3 to 10, but no student had a score of X = 5. If the scores are 
put in a ...
Vista previa 2 fuera de 8 páginas
Añadir al carritoStatistics Chapter 2 Questions & Answers 
37. For the distribution in the following table, what is the 50th percentile? 
a. X = 32 X c% 
b. X = % 
c. X = % 
d. X = % 
20-29 20% - ANSWER: 32 
A group of quiz scores ranges from 3 to 10, but no student had a score of X = 5. If the scores are 
put in a ...
Statistics Questions & Answers 
Box and whisker plot - ANSWER: 1. minimum data entry 
2. Q1 
3. Q2 
4. Q3 
5. maximum data entry 
Class width - ANSWER: range/ # of classes 
Cumulative frequency (OGIVE) - ANSWER: The sums of the frequencies of the data values 
from smallest to largest. 
(use class wi...
Vista previa 2 fuera de 7 páginas
Añadir al carritoStatistics Questions & Answers 
Box and whisker plot - ANSWER: 1. minimum data entry 
2. Q1 
3. Q2 
4. Q3 
5. maximum data entry 
Class width - ANSWER: range/ # of classes 
Cumulative frequency (OGIVE) - ANSWER: The sums of the frequencies of the data values 
from smallest to largest. 
(use class wi...
Quiz 1 Statistics Questions & Answers 
_______ are sample values that lie very far away from the majority of the other sample values. 
outliers - ANSWER: 
_______ is used when subjects are assigned to different groups through a process of random 
selection. 
Randomization - ANSWER: 
A _______ helps ...
Vista previa 3 fuera de 27 páginas
Añadir al carritoQuiz 1 Statistics Questions & Answers 
_______ are sample values that lie very far away from the majority of the other sample values. 
outliers - ANSWER: 
_______ is used when subjects are assigned to different groups through a process of random 
selection. 
Randomization - ANSWER: 
A _______ helps ...
AP Statistics Fall Final Review Questions & Answers 
Section 1.0 
Here is a small part of the data set that describes the students in an AP Statistics class. The data 
come from anonymous responses to a questionnaire filled out on the first day of class. 
The individuals in this data set are - ANSWE...
Vista previa 3 fuera de 28 páginas
Añadir al carritoAP Statistics Fall Final Review Questions & Answers 
Section 1.0 
Here is a small part of the data set that describes the students in an AP Statistics class. The data 
come from anonymous responses to a questionnaire filled out on the first day of class. 
The individuals in this data set are - ANSWE...
Statistics Ch. 1 - Data collection Questions & Answers 
anecdotal - ANSWER: the information being conveyed is based on casual observation, not 
scientific research 
approach - ANSWER: a way to look at and organize a problem so that it can be solved. 
bias - ANSWER: the results of the sample are not ...
Vista previa 2 fuera de 8 páginas
Añadir al carritoStatistics Ch. 1 - Data collection Questions & Answers 
anecdotal - ANSWER: the information being conveyed is based on casual observation, not 
scientific research 
approach - ANSWER: a way to look at and organize a problem so that it can be solved. 
bias - ANSWER: the results of the sample are not ...
Statistics Questions & Answers 
Binomial Experiment - ANSWER: Experiment with a fixed number of trials, 2 outcomes, 
constant probability of success, and trials are independent. 
Chebysheffs Theorem - ANSWER: (1-1/K^2) of the data's values lie withink K standard 
deviations. 
Cluster Sampling - ANS...
Vista previa 2 fuera de 12 páginas
Añadir al carritoStatistics Questions & Answers 
Binomial Experiment - ANSWER: Experiment with a fixed number of trials, 2 outcomes, 
constant probability of success, and trials are independent. 
Chebysheffs Theorem - ANSWER: (1-1/K^2) of the data's values lie withink K standard 
deviations. 
Cluster Sampling - ANS...
Statistics Questions & Answers 
Binomial Experiment - ANSWER: Experiment with a fixed number of trials, 2 outcomes, 
constant probability of success, and trials are independent. 
Chebysheffs Theorem - ANSWER: (1-1/K^2) of the data's values lie withink K standard 
deviations. 
Cluster Sampling - ANS...
Vista previa 2 fuera de 5 páginas
Añadir al carritoStatistics Questions & Answers 
Binomial Experiment - ANSWER: Experiment with a fixed number of trials, 2 outcomes, 
constant probability of success, and trials are independent. 
Chebysheffs Theorem - ANSWER: (1-1/K^2) of the data's values lie withink K standard 
deviations. 
Cluster Sampling - ANS...
Statistics Mid-term Questions & Answers 
______are the categories by which data are grouped. - ANSWER: Classes 
_____statistics consists of organizing and summarizing information collected, while 
______statistics uses methods that generalize results obtained from a sample to the population 
and mea...
Vista previa 3 fuera de 18 páginas
Añadir al carritoStatistics Mid-term Questions & Answers 
______are the categories by which data are grouped. - ANSWER: Classes 
_____statistics consists of organizing and summarizing information collected, while 
______statistics uses methods that generalize results obtained from a sample to the population 
and mea...
Intro. to Statistics MCCC Ch. 1 
Questions & Answers 
- is used when subjects are assigned to different groups through a process of random selection. - 
ANSWER: randomization 
A handler loads one item every 15 minutes, so 160 items are completed in her first week of work. 
Her manager checks her wor...
Vista previa 2 fuera de 13 páginas
Añadir al carritoIntro. to Statistics MCCC Ch. 1 
Questions & Answers 
- is used when subjects are assigned to different groups through a process of random selection. - 
ANSWER: randomization 
A handler loads one item every 15 minutes, so 160 items are completed in her first week of work. 
Her manager checks her wor...
Statistics Questions & Answers 
A class interval, which is the width of a class, can be determined by subtracting the lower limit of 
a class from the lower limit of the next higher class. - ANSWER: 
A difference between calculating the sample mean and the population mean is - ANSWER: Only 
in the s...
Vista previa 1 fuera de 4 páginas
Añadir al carritoStatistics Questions & Answers 
A class interval, which is the width of a class, can be determined by subtracting the lower limit of 
a class from the lower limit of the next higher class. - ANSWER: 
A difference between calculating the sample mean and the population mean is - ANSWER: Only 
in the s...
Statistics Questions & Answers 
A group of subjects to which researchers apply a treatment in an experiment - ANSWER: 
Treatment group 
A market researcher interviews each member from each of the five randomly chosen 
neighborhoods throughout a city. - ANSWER: Cluster Sampling 
A response to the pow...
Vista previa 1 fuera de 4 páginas
Añadir al carritoStatistics Questions & Answers 
A group of subjects to which researchers apply a treatment in an experiment - ANSWER: 
Treatment group 
A market researcher interviews each member from each of the five randomly chosen 
neighborhoods throughout a city. - ANSWER: Cluster Sampling 
A response to the pow...
Statistics Chapter 9 Questions & Answers 
A 95% confidence interval for the ages of six consecutive presidents at their inaugurations is 
about (48.4, 54.2). Either interpret the interval or explain why it should not be interpreted. - 
ANSWER: It should not be interpreted. The data are not a random ...
Vista previa 2 fuera de 10 páginas
Añadir al carritoStatistics Chapter 9 Questions & Answers 
A 95% confidence interval for the ages of six consecutive presidents at their inaugurations is 
about (48.4, 54.2). Either interpret the interval or explain why it should not be interpreted. - 
ANSWER: It should not be interpreted. The data are not a random ...
Statistics Symbols Questions & Answers 
1 - ANSWER: CDF of a Poisson— it will never equal __, it will only approach it (doesn't have a 
stopping point) 
1 - F(a) - ANSWER: P(X greater than or equal to a) 
1. "Is it counting a # of successes?" 
2. "Do I have a finite Bernoulli Process?" 
i. "...
Vista previa 2 fuera de 14 páginas
Añadir al carritoStatistics Symbols Questions & Answers 
1 - ANSWER: CDF of a Poisson— it will never equal __, it will only approach it (doesn't have a 
stopping point) 
1 - F(a) - ANSWER: P(X greater than or equal to a) 
1. "Is it counting a # of successes?" 
2. "Do I have a finite Bernoulli Process?" 
i. "...
Statistics Chapter 1 Questions & Answers 
Advantages of bar graph when compared to a pie chart - ANSWER: Both graphs can display the 
distribution of a categorical variable, but a bar graph can also compare any set of quantities that 
are measured in the same units. 
Are quartiles/IQR resistant? - A...
Vista previa 2 fuera de 12 páginas
Añadir al carritoStatistics Chapter 1 Questions & Answers 
Advantages of bar graph when compared to a pie chart - ANSWER: Both graphs can display the 
distribution of a categorical variable, but a bar graph can also compare any set of quantities that 
are measured in the same units. 
Are quartiles/IQR resistant? - A...
STATISTICS QUESTIONS & ANSWERS 
a block is a group of subjects that are similar, but blocks differ in ways that might affect the 
outcome of the experiment. - ANSWER: Randomized block design 
a numerical measurement describing some characteristic of a population - ANSWER: parameter 
a numerical meas...
Vista previa 2 fuera de 12 páginas
Añadir al carritoSTATISTICS QUESTIONS & ANSWERS 
a block is a group of subjects that are similar, but blocks differ in ways that might affect the 
outcome of the experiment. - ANSWER: Randomized block design 
a numerical measurement describing some characteristic of a population - ANSWER: parameter 
a numerical meas...
Statistics Chapter 3 Questions & Answers 
(xbar, y bar) - ANSWER: The least-squares regression line for any data set passes through the 
point (x bar, y bar) 
2 tools to describe the relationship between variables - ANSWER: 1.) Correlation 
2.) Regression 
Accuracy of predictions - ANSWER: The accur...
Vista previa 1 fuera de 4 páginas
Añadir al carritoStatistics Chapter 3 Questions & Answers 
(xbar, y bar) - ANSWER: The least-squares regression line for any data set passes through the 
point (x bar, y bar) 
2 tools to describe the relationship between variables - ANSWER: 1.) Correlation 
2.) Regression 
Accuracy of predictions - ANSWER: The accur...
Statistics midterm(hw1) Questions & Answers 
A cardiologist is interested in the mean recovery period of her patients who have had heart 
attacks. - ANSWER: 
A fitness center is interested in the mean amount of time a client exercises in the center each 
week: (2-5) - ANSWER: 
A marketing company is...
Vista previa 2 fuera de 14 páginas
Añadir al carritoStatistics midterm(hw1) Questions & Answers 
A cardiologist is interested in the mean recovery period of her patients who have had heart 
attacks. - ANSWER: 
A fitness center is interested in the mean amount of time a client exercises in the center each 
week: (2-5) - ANSWER: 
A marketing company is...
Statistics Chapter 9-10 Questions & Answers 
A gambler conducts a study to determine whether the time it took a horse to run its last race can 
be used to predict the time it takes the horse to run its next race. In this study, the explanatory 
variable is - ANSWER: the time it took a horse to run i...
Vista previa 2 fuera de 6 páginas
Añadir al carritoStatistics Chapter 9-10 Questions & Answers 
A gambler conducts a study to determine whether the time it took a horse to run its last race can 
be used to predict the time it takes the horse to run its next race. In this study, the explanatory 
variable is - ANSWER: the time it took a horse to run i...
Statistics Final Ch. 4-6 Questions & Answers 
_____________ is the distribution of all values of the statistic when all possible samples of the 
same size n are taken from the same population. - ANSWER: The sampling distribution of a 
statistic 
_____________ is the distribution of sample proportion...
Vista previa 2 fuera de 15 páginas
Añadir al carritoStatistics Final Ch. 4-6 Questions & Answers 
_____________ is the distribution of all values of the statistic when all possible samples of the 
same size n are taken from the same population. - ANSWER: The sampling distribution of a 
statistic 
_____________ is the distribution of sample proportion...
Statistics Questions & Answers 
Categorical - ANSWER: Example [Classifications of data according to NATURE] 
Address 
Categorical - ANSWER: Example [Classifications of data according to NATURE] 
Date of Birth 
Categorical - ANSWER: Example [Classifications of data according to NATURE] 
Occupation 
C...
Vista previa 2 fuera de 7 páginas
Añadir al carritoStatistics Questions & Answers 
Categorical - ANSWER: Example [Classifications of data according to NATURE] 
Address 
Categorical - ANSWER: Example [Classifications of data according to NATURE] 
Date of Birth 
Categorical - ANSWER: Example [Classifications of data according to NATURE] 
Occupation 
C...
GCSE Statistics Keywords Questions & Answers 
Advantages of a census - ANSWER: Unbiased 
Takes the whole population into account 
- Accurate 
Advantages of a sample - ANSWER: Cheaper 
Less time consuming 
Easy to manage 
Bar chart/Line Diagrams/Pictograms - ANSWER: Bar chart in which the length of t...
Vista previa 2 fuera de 7 páginas
Añadir al carritoGCSE Statistics Keywords Questions & Answers 
Advantages of a census - ANSWER: Unbiased 
Takes the whole population into account 
- Accurate 
Advantages of a sample - ANSWER: Cheaper 
Less time consuming 
Easy to manage 
Bar chart/Line Diagrams/Pictograms - ANSWER: Bar chart in which the length of t...
Statistics Week 1-3 Questions & Answers 
A 2016 Pew Research poll estimated the proportion of people supporting each presidential 
candidate in the fall election. They based their estimates on telephone interviews of 2,010 adults 
living in all 50 U.S. states. They asked each participant which presi...
Vista previa 3 fuera de 24 páginas
Añadir al carritoStatistics Week 1-3 Questions & Answers 
A 2016 Pew Research poll estimated the proportion of people supporting each presidential 
candidate in the fall election. They based their estimates on telephone interviews of 2,010 adults 
living in all 50 U.S. states. They asked each participant which presi...
Statistics Quiz/Test 2 Questions & Answers 
0.8340. The value of z is - ANSWER: 0.97 
A 99% confidence interval estimate can be interpreted to mean that - ANSWER: both of the 
above 
A catalog company that receives the majority of its orders by telephone conducted a study to 
determine how long cust...
Vista previa 4 fuera de 32 páginas
Añadir al carritoStatistics Quiz/Test 2 Questions & Answers 
0.8340. The value of z is - ANSWER: 0.97 
A 99% confidence interval estimate can be interpreted to mean that - ANSWER: both of the 
above 
A catalog company that receives the majority of its orders by telephone conducted a study to 
determine how long cust...
Compradores de Stuvia evaluaron más de 700.000 resúmenes. Así estas seguro que compras los mejores documentos!
Puedes pagar rápidamente y en una vez con iDeal, tarjeta de crédito o con tu crédito de Stuvia. Sin tener que hacerte miembro.
Tus compañeros escriben los resúmenes. Por eso tienes la seguridad que tienes un resumen actual y confiable. Así llegas a la conclusión rapidamente!
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Nuestra garantía de satisfacción le asegura que siempre encontrará un documento de estudio a tu medida. Tu rellenas un formulario y nuestro equipo de atención al cliente se encarga del resto.
Stuvia is a marketplace, so you are not buying this document from us, but from seller Eddiewaffles12. Stuvia facilitates payment to the seller.
No, you only buy this summary for $10.99. You're not tied to anything after your purchase.
4.6 stars on Google & Trustpilot (+1000 reviews)
45,681 summaries were sold in the last 30 days
Founded in 2010, the go-to place to buy summaries for 14 years now