AP Statistics Exam Prep - Question List

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16. People who score in the 95th percentile on an exam:
  1. Earned a score of 95 on the test
  2. Scored as well or better than 95% of the people who took the same exam
  3. Scored in the top 95% of test takers
  4. Answered 95% of the questions correctly
17. The test scores for eight students are 97, 94, 98, 97, 89, 92, 68 and 96. What would the seventh score be considered?
  1. Outlier
  2. Mean
  3. Mode
  4. Standard deviation
18. What is the outlier in the following set: 11, 22, 33, 44, 55, 112, 23, 34 and 45?
  1. 55
  2. 11
  3. 112
  4. There is no outlier.
19. All data can be divided into four equal sections that are called:
  1. Quartiles
  2. Quagmires
  3. Quadrants
  4. Quarternaries
20. A variable that affects the data collected but is not accounted for or demonstrated in the statistical measure of the data is a:
  1. Stealth variable
  2. Lurking variable
  3. Independent variable
  4. Dependent variable

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