Iqr q3 q1 - Study guides, Class notes & Summaries
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AP Stats Exam Review - Stats Medic Questions With Complete Solutions
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How to describe a 1-variable distribution correct answer: SOCS + context 
 
Ways to describe the shape of a distribution (S) correct answer: Symmetric = balanced on both sides of the center 
 
Skewed right = tail (part with less stuff) is located to the right of the center 
 
Skewed left = tail is located to the left of the center 
 
When describing this part of a distribution, always use -ly words in your description (fairly, slightly, strongly, appropriately, etc.) 
 
Outlier Formula (3rd Qu...
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HSC Mathematics Standard 2 Revision Questions & Answers | Latest Update | Verified Answers | Grade A+
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Sine Rule 
:: 
Cosine Rule 
:: 
Future Value 
:: the amount of money in the future that an amount of money today will yield, given 
prevailing interest rates 
Trapezoidal rule 
:: 
Limit of reading 
:: smallest unit on the measuring instrument also known as precision. 
Absolute error 
:: ½ × limit of reading (maximum value) 
Interquartile Range (IQR) 
:: the difference between the first quartile and third quartile. Q3 - Q1 
standard deviation 
:: a measure of the spread of data about the m...
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STAT 503 FINAL EXAM QUESTIONS AND ANSWERS
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Is a quantitative variable always measured in numbers? - Answer-Yes 
 
Is any measurement that you record from a sample a variable? - Answer-False 
 
What is a statistic? - Answer-The measure that is taken from the whole sample as a summary of the sample 
 
Sample data skewed to the left, then longer tail is at the... - Answer-Left 
 
What is sensitive to outliers? - Answer-Median 
 
Formula to calculate standard deviation - Answer-s = sqrt(sum(x1-xbar)^2 / n-1) 
 
How to calculate degrees of fr...
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AP Statistics Final Review (S1) Questions With Complete Solutions
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Is mean resistant to outliers? correct answer: No, non-resistant 
 
Is median resistant to outliers? correct answer: Yes, resistant 
 
Is standard deviation resistant to outliers? correct answer: No, non-resistant 
 
What is included in the 5-number summary? correct answer: min, Q1, med, Q3, max 
 
IQR equation correct answer: IQR = Q3 - Q1 
 
Which point divides the area under the density curve in half? correct answer: median 
 
Which point is the balance point of the density curve? corre...
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AP Stats Exam Review Questions And Answers With Complete Solutions
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What is needed for all Stemplots? correct answer: Key showing how to read the plot 
 
What is in the 5 number summary? correct answer: minimum, Q1, median, Q3, maximum 
 
How do you calculate IQR? correct answer: Q3-Q1 
- IQR is a number, not a range 
 
What does VSCO stand for? correct answer: variability, shape, center, outliers 
 
WHAT DO YOU NEED FOR FULL POINTS? correct answer: CONTEXT 
 
"Describe the distribution" = correct answer: = VSCO + Context 
 
When describing shape without...
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AP Statistics Final Exam Review 2023-2024 Questions With Complete Solutions
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Categorical Data correct answer: Assigns a unique value for each case, used to name or identify it 
 
Quantitative Data correct answer: A variable in which the numbers act as a numerical value, always have units 
 
Stem and leaf plot correct answer: Shows quantitative data values in a way that sketches the distribution of the data 
 
Ogive correct answer: a graph that represents the cumulative frequencies for the classes in a frequency distribution 
 
Histogram correct answer: Bar graphing ...
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WGU C955 Applied Probability and Statistics Final Exam (New 2023/ 2024 Update) Questions and Verified Answers_ 100% Correct_ Graded A
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WGU C955 Applied Probability and 
Statistics Final Exam (New 2023/ 2024 
Update) Questions and Verified Answers_ 
100% Correct_ Graded A 
 
QUESTION 
 what are the four graphical displays for quantitative data? 
 
Answer: 
 dot plot, stem plot( or steam and leaf plot), box plot, and histogram 
 
 
QUESTION 
 best to display the distribution of data, particularly clusters, gaps, and 
outliers. Most useful for smaller data sets 
 
Answer: 
 dot plot 
 
 
QUESTION 
 best to display the distr...
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Straighterline Introduction to Statistics Questions and Answers Already Passed
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Straighterline Introduction to Statistics 
Questions and Answers Already Passed 
 
Four steps in the process of statistics 1. Producing Data 
2. Exploratory Data Analysis 
3. Probability 
4. Inference 
 
Categorical variable places individuals into one of several groups 
Two types: nominal and ordinal 
 
Quantitative Variable represents a measurement or a count 
Two types: Interval and ratio 
 
Nominal Variable categorical variables where there is no natural order among the categories 
 
Ordinal...
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WGU C955 - Module 4: Descriptive Statistics for a Single Variable, Top Exam Questions and answers, graded A+
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WGU C955 - Module 4: Descriptive Statistics for a Single Variable, Top Exam Questions and answers, graded A+ 
 
 
If 200 people are surveyed, how many claim to have had no exercise? 
 
{{ Pie chart reflecting the average number of hours exercised per week. No exercise 36%, 1 - 2 hours 28%, 3 - 4 hours 12%, 4 - 5 hours 10%, 5 - 6 hours 8%, 6 - 7 hours 4%, more than 7 hours 2%. }} 
 
a 18 
b 36 
c 72 
d Cannot determine - -72 
 
Determine the range for the following data set. {1,24,26,28,32,36...
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AP Stat - Chapters 1-4 - Multiple Choice - Cumulative Test 2023/2024 already passed
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AP Stat - Chapters 1-4 - Multiple Choice - Cumulative Testthe following histogram represents the distribution of acceptance rates (% accepted) among 25 business schools in 1997, what % of schools have an acceptance rate above 40% - correct answer know how to read a histogram (variable vs. freq, fraction -> %) 
 
you want to use numerical summaries to describe a distribution that is strongly skewed to the left, which combination of measure of center and spread would be the best to use (mean an...
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