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It must account for a substantial quantity of behavior. An explanation has limited usefulness if it fails to account for the bulk of human behavior and thus makes prediction and systematic change of behavior impossible 
Verifiable 
We should be able to test in some way that it does accoun...
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It must account for a substantial quantity of behavior. An explanation has limited usefulness if it fails to account for the bulk of human behavior and thus makes prediction and systematic change of behavior impossible 
Verifiable 
We should be able to test in some way that it does accoun...
In computing the standard error of the mean, the finite population correction factor is not used when: 
a. n ≥ 30 
b. n/N ≤ 0.05 
c. N/n ≤ 0.05 
d. n/N > 0.05 
b. n/N ≤ 0.05 
A sample statistic, such as x bar , that estimates the value of the corresponding population parameter is known as...
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Add to cartIn computing the standard error of the mean, the finite population correction factor is not used when: 
a. n ≥ 30 
b. n/N ≤ 0.05 
c. N/n ≤ 0.05 
d. n/N > 0.05 
b. n/N ≤ 0.05 
A sample statistic, such as x bar , that estimates the value of the corresponding population parameter is known as...
Excel's __________ can be used to construct a crosstabulation. 
 
a. COUNTIF function 
 
b. PivotTable Report 
 
c.Chart Tools 
 
d.SUM function 
B 
The sum of the percent frequencies for all classes will always equal 
 
 number of items in the study 
 
b.100 
 
 
 
 number of classes 
B 
Excel...
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Add to cartExcel's __________ can be used to construct a crosstabulation. 
 
a. COUNTIF function 
 
b. PivotTable Report 
 
c.Chart Tools 
 
d.SUM function 
B 
The sum of the percent frequencies for all classes will always equal 
 
 number of items in the study 
 
b.100 
 
 
 
 number of classes 
B 
Excel...
The standard deviation of a point estimator is the 
standard error 
Cluster sampling is 
a probability sampling method 
The interquartile range is the difference between the 
first and third quartiles 
A __________ can be used to graphically present quantitative data. 
both a histogram and a stem-an...
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Add to cartThe standard deviation of a point estimator is the 
standard error 
Cluster sampling is 
a probability sampling method 
The interquartile range is the difference between the 
first and third quartiles 
A __________ can be used to graphically present quantitative data. 
both a histogram and a stem-an...
The standard deviation of a point estimator is the _____. 
standard error 
As the sample size increases, the _____. 
standard error of the mean decreases 
The standard deviation of p̄ is referred to as the _____. 
standard error of the proportion 
The value of the ___________ is used to estimate th...
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Add to cartThe standard deviation of a point estimator is the _____. 
standard error 
As the sample size increases, the _____. 
standard error of the mean decreases 
The standard deviation of p̄ is referred to as the _____. 
standard error of the proportion 
The value of the ___________ is used to estimate th...
Data 
The facts & figures collected, analyzed, and summarized for presentation and interpretation. 
Dataset 
All the data collected in a particular study. 
Element 
The entity on which data is collected (Think each individual nation) 
Variable 
A characteristic of interest of an element(Think GDP or...
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Add to cartData 
The facts & figures collected, analyzed, and summarized for presentation and interpretation. 
Dataset 
All the data collected in a particular study. 
Element 
The entity on which data is collected (Think each individual nation) 
Variable 
A characteristic of interest of an element(Think GDP or...
______ data has the benefit of a true zero point 
ratio 
a method of gathering data when subjects are exposed to certain treatments and the data of interest is recorded is known as ______ 
experiments 
collecting data about the television viewers for the Summer Olympics is an example of using statis...
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Add to cart______ data has the benefit of a true zero point 
ratio 
a method of gathering data when subjects are exposed to certain treatments and the data of interest is recorded is known as ______ 
experiments 
collecting data about the television viewers for the Summer Olympics is an example of using statis...
Statistics 
the mathematical science that deals with the collection, analysis, and presentation of data, which can be used for inference 
marketing research 
focus groups, customer surveys, predicting consumer buying patterns 
advertising 
household surveys, tv viewing habits 
operations 
quality co...
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Add to cartStatistics 
the mathematical science that deals with the collection, analysis, and presentation of data, which can be used for inference 
marketing research 
focus groups, customer surveys, predicting consumer buying patterns 
advertising 
household surveys, tv viewing habits 
operations 
quality co...
Which of the following statements regarding a time series technique is true? 
Time series techniques focus on the historical behavior of some outcome of interest to predict its future behavior. 
Which time series technique predicts a future value by combining the previous prediction and some portion...
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Add to cartWhich of the following statements regarding a time series technique is true? 
Time series techniques focus on the historical behavior of some outcome of interest to predict its future behavior. 
Which time series technique predicts a future value by combining the previous prediction and some portion...
data 
the facts & figures collected, analyzed, & summarized for presentation & interpretation 
dataset 
all the data collected for a particular analysis 
element 
the entity on which data is collected 
variable 
a characteristic of interest of an element 
observation 
the variables associated with a...
Preview 2 out of 12 pages
Add to cartdata 
the facts & figures collected, analyzed, & summarized for presentation & interpretation 
dataset 
all the data collected for a particular analysis 
element 
the entity on which data is collected 
variable 
a characteristic of interest of an element 
observation 
the variables associated with a...
In a data set, the number of observations will always be the same as the number of _____. 
 
elements 
 
data sets 
 
variables 
 
data 
elements 
Data collected at the same, or approximately the same, point in time are _____ data. 
 
static 
 
time series 
 
cross-sectional 
 
one-dimensional 
cros...
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Add to cartIn a data set, the number of observations will always be the same as the number of _____. 
 
elements 
 
data sets 
 
variables 
 
data 
elements 
Data collected at the same, or approximately the same, point in time are _____ data. 
 
static 
 
time series 
 
cross-sectional 
 
one-dimensional 
cros...
Dataset 
all the data collected for a particular analysis. 
Element 
the entity on which data is collected. 
Variable 
a characteristic of interest of an element. 
Observation 
the variables associated with an individual element. 
Categorical 
use numeric or ordinal values of measurement of categori...
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Add to cartDataset 
all the data collected for a particular analysis. 
Element 
the entity on which data is collected. 
Variable 
a characteristic of interest of an element. 
Observation 
the variables associated with an individual element. 
Categorical 
use numeric or ordinal values of measurement of categori...
The results of a recent poll on the preference of shoppers regarding two products are shown below. 
 
Product; Shoppers Surveyed; Shoppers Favoring 
A; 800; 560 
B; 900; 612 
 
Refer to Exhibit 11-6. The 95% confidence interval estimate for the difference between the populations favoring the product...
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Add to cartThe results of a recent poll on the preference of shoppers regarding two products are shown below. 
 
Product; Shoppers Surveyed; Shoppers Favoring 
A; 800; 560 
B; 900; 612 
 
Refer to Exhibit 11-6. The 95% confidence interval estimate for the difference between the populations favoring the product...
A population where each element of the population is assigned to one and only one of exactly two classes or categories is a 
Binomial Population 
Goodness of fit test utilizes 
Chi-square test 
A goodness of fit test is never conducted as a 
Lower tailed Test or a Two Tailed Test 
An important appli...
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Add to cartA population where each element of the population is assigned to one and only one of exactly two classes or categories is a 
Binomial Population 
Goodness of fit test utilizes 
Chi-square test 
A goodness of fit test is never conducted as a 
Lower tailed Test or a Two Tailed Test 
An important appli...
population 
all possible subjects of interest 
sample 
subset of a population 
parameters 
values describing population 
statistic 
values describing sample 
sampling distribution 
distribution patter that averages or proportions follow when samples are randomly drawn 
standard error 
standard devia...
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Add to cartpopulation 
all possible subjects of interest 
sample 
subset of a population 
parameters 
values describing population 
statistic 
values describing sample 
sampling distribution 
distribution patter that averages or proportions follow when samples are randomly drawn 
standard error 
standard devia...
Following is a portion of the computer output for a regression analysis relating y = number of people who use the public pool to x = the outside temperature. 
 
Predictor Coef 
Constant 57.912 
Temp 0.81138 
 
Predict approximately how many people will use the public pool in a day when the temperatu...
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Add to cartFollowing is a portion of the computer output for a regression analysis relating y = number of people who use the public pool to x = the outside temperature. 
 
Predictor Coef 
Constant 57.912 
Temp 0.81138 
 
Predict approximately how many people will use the public pool in a day when the temperatu...
z-score 
a measure of how many standard deviations you are away from the norm (average or mean) 
Chebyshev's Theorem 
At least (1-1/z^2) of the data values must be within z standard deviations of the mean, where z > 1 
if z-score more than 3 
probably an outlier 
IQR rule 
Q1 - 1.5(IQR) 
Q3 + ...
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Add to cartz-score 
a measure of how many standard deviations you are away from the norm (average or mean) 
Chebyshev's Theorem 
At least (1-1/z^2) of the data values must be within z standard deviations of the mean, where z > 1 
if z-score more than 3 
probably an outlier 
IQR rule 
Q1 - 1.5(IQR) 
Q3 + ...
Frequency Distribution definition 
A tabular summary of data showing the number (frequency) of observations in each of several nonoverlapping categories or classes. 
Relative Frequency Distribution definition 
A tabular summary of data showing the fraction or proportion of observations in each of se...
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Add to cartFrequency Distribution definition 
A tabular summary of data showing the number (frequency) of observations in each of several nonoverlapping categories or classes. 
Relative Frequency Distribution definition 
A tabular summary of data showing the fraction or proportion of observations in each of se...
Linear regression model 
can be used to estimate the mean value of y given xi, or it can be used to predict the value of y given n 
Confidence interval 
the interval estimate of the mean value of y for a given value of x 
Predictor interval 
Used when we want to predict an individual value of y 
Int...
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Add to cartLinear regression model 
can be used to estimate the mean value of y given xi, or it can be used to predict the value of y given n 
Confidence interval 
the interval estimate of the mean value of y for a given value of x 
Predictor interval 
Used when we want to predict an individual value of y 
Int...
What is the z score formula? 
(the observation - mean) / standard deviation 
What does a z score tell us? 
how many standard deviations a value of from the mean 
How do you find the range? 
biggest value minus smallest value 
What is the formula used in excel to find the range? 
=max(array) - min (a...
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Add to cartWhat is the z score formula? 
(the observation - mean) / standard deviation 
What does a z score tell us? 
how many standard deviations a value of from the mean 
How do you find the range? 
biggest value minus smallest value 
What is the formula used in excel to find the range? 
=max(array) - min (a...
If the confidence interval for the regression slope includes zero, we would have some evidence that beta 
could be equal to zero, which would indicate that there may not be a relationship between the dependent and independent variables. 
True 
A professor would like to test the hypothesis that the a...
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Add to cartIf the confidence interval for the regression slope includes zero, we would have some evidence that beta 
could be equal to zero, which would indicate that there may not be a relationship between the dependent and independent variables. 
True 
A professor would like to test the hypothesis that the a...
If a penny is tossed four times and comes up heads all four times, the probability of heads on the fifth trial is 
a. zero 
b. 1/32 
c. 0.5 
d. larger than the probability of trials 
0.5 
An experiment consists of four outcomes with P(E1)=0.2, P(E2)=0.3, and P(E3)=0.4. The probability of outcome E4 ...
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Add to cartIf a penny is tossed four times and comes up heads all four times, the probability of heads on the fifth trial is 
a. zero 
b. 1/32 
c. 0.5 
d. larger than the probability of trials 
0.5 
An experiment consists of four outcomes with P(E1)=0.2, P(E2)=0.3, and P(E3)=0.4. The probability of outcome E4 ...
CH. 1 Lime Company 
Total equity + total liabilities 
CH. 1 Grapefruit servies 
(Total Assets - Total Liabilities) + (Revenues - Expenses) - owner withdraw 
CH. 1 Lemon Company, 
Follow the reports. 
Mar. 1 The business received $9000 cash from the owner of the business, Lemon. The business gave cap...
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Add to cartCH. 1 Lime Company 
Total equity + total liabilities 
CH. 1 Grapefruit servies 
(Total Assets - Total Liabilities) + (Revenues - Expenses) - owner withdraw 
CH. 1 Lemon Company, 
Follow the reports. 
Mar. 1 The business received $9000 cash from the owner of the business, Lemon. The business gave cap...
If a residual plot of x versus the residuals, y - ŷ, shows a non-linear pattern, then we should conclude that: 
A. the regression model was not based upon a large enough sample size. 
B. the regression model is useful for making predictions. 
C. the regression model is not an adequate representatio...
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Add to cartIf a residual plot of x versus the residuals, y - ŷ, shows a non-linear pattern, then we should conclude that: 
A. the regression model was not based upon a large enough sample size. 
B. the regression model is useful for making predictions. 
C. the regression model is not an adequate representatio...
Recently, FHA mortgages, which are insured by the federal government, accounted for 28% of all home-purchase mortgages that were approved. A random sample of 150 mortgage applications was selected. What is the probability that 48 or more from this sample were insured by the FHA? 
0.1376 
Soffritto I...
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Add to cartRecently, FHA mortgages, which are insured by the federal government, accounted for 28% of all home-purchase mortgages that were approved. A random sample of 150 mortgage applications was selected. What is the probability that 48 or more from this sample were insured by the FHA? 
0.1376 
Soffritto I...
Find z the area to the left of Z 
ex: z = .2119 
use row and column 
area = -.80 
Find z area between z values 
ex: area between -z and z is .9030 
divide z by 2 then add .5. Then use z table to find area. 
.9030/2=.4515+.5=.9515 
.9515 in z table is z=1.66 
Find z area right of z 
ex: area right of...
Preview 4 out of 42 pages
Add to cartFind z the area to the left of Z 
ex: z = .2119 
use row and column 
area = -.80 
Find z area between z values 
ex: area between -z and z is .9030 
divide z by 2 then add .5. Then use z table to find area. 
.9030/2=.4515+.5=.9515 
.9515 in z table is z=1.66 
Find z area right of z 
ex: area right of...
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