AP STATS
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AP Stats: Unit 9 Test Review Comprehensive Q&A Exam 2024/2025
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Null Hypothesis (H0) Answer: The claim that we weigh evidence against in a statistical test; usually a statement of "no difference" 
 
Alternative Hypothesis (Ha) Answer: The claim about the population that we try to weigh evidence for. 
 
One-sided alternative hypothesis Answer: If it states that a parameter is larger than the null hypothesis value or if it states that the parameter is smaller than the null value. 
 
Two-sided alternative hypothesis Answer: If ...
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AP Stats Exam Solved Examination 2024/2025
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Interpret the correlation "r" Answer: There is a ___________ __________ linear relationship between ___________ (x) and ____________(y). 
 
Interpret the coefficient of determination "r^2" Answer: ___% of the variation in _________ (y) can be explained by the linear relationship with _________ (x). 
 
Interpret the slope "b" Answer: For every 1 unit increase in ___________ (x), our model predicts an average _________ of __(b) in _________ (y). 
 
Interpret the y int...
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AP STATS - Summer Assignment 2024-2025 ( Vocab ) Questions And Answers Assessment
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Statistics (As a Whole) Answer: We begin with a population and something we want to know about that population. 
 
If the population is small, we can perform a census (gather data from every individual) and calculate a parameter (a summary of our whole population). 
 
If a population is too big to perform a census, we can perform a sample (gather data from a small group of individuals in our population) and calculate a statistic 
 
Variability Answer: Differences... how things di...
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AP Statistics A Final Exam Exam Paper With Solutions 2024/2025
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What are categorical variables? Answer: No meaningful order; averages cannot be taken and have meaning; numbers are not important except for the frequency. 
 
What are examples of categorical variables? Answer: Gender, political affiliation, and eye color. 
 
What are quantitative variables? Answer: Order is meaningful; averages should have meaning; numbers are very important. 
 
What are examples of quantitative variables? Answer: GPA, number of pets, and salary....
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