2. Measures of Central Tendency On a quiz given to 5 students, the scores were as follows: 17, 19, 20, 22, 22 What is the mean? What is the median? What is the mode?

3. Skewed Distributions Out of 108 students in Mrs. O'Connor's AP Psychology classes, 107 people earned an A on the Chapter 2 Exam. One person earned an F. What happened to the mean as a result of the one F? What type of distribution is this?

4. Standard Deviation Two tests were given. The standard deviation of the first test was 10. The standard deviation of the second test was 15. Which test had scores that were more spread out?

5. Z-scores Ryan earned a 70 on a normally distributed test with a mean of 60. The standard deviation was 5. What is Ryan's z-score? Alyssa earned a 65 on a normally distributed test with a mean of 80. The standard deviation was 15. What is Alyssa's z-score?

6. Percentile Rank For a language test with normally distributed scores, the mean was 75 and the standard deviation was 15. Approximately what percentage of test-takers scored a 60 or above? For a language test with normally distributed scores, the mean was 40 and the standard deviation was 10. Approximately what percentage of test-takers scored a 50 or above?

7. Percentile Rank Dr. Zimbardo conducted an intelligence test in which the scores were normally distributed. The mean was 85 and the standard deviation was 10. What percentage of people scored a 95 or above? Show your work/distribution. In the above question, what was the variance? Dr. Milgram conducted a strength test in which the scores were evenly distributed. The mean was 115 and the standard deviation was 5. What percentage of people scored 105 or above? Show your work/distribution. In the above question, what was the variance?