1. The first three books in the series have 117, 135, and 117 pages. The author finishes the series with a fourth book that has 151 pages. Which is not true? A. The range is smaller than the mean. B. The mean is smaller than the median. C. The mean is larger than the mode. D. The median is larger than the mode.

2. Find the standard deviation for the following data: { 20, 30 , 38 , 40 } A. 3.416 B. 4.570 C. 7.133 D. 9.092

3. From the five number summary 7 13 17 21 43 found after the class has taken the exam, which statement below is true?

A. The mean of the lowest 25% is 7. B. 25% of students earned 17 or fewer. C. 75% of students earned 17 or more. D. The highest score in the class was a 43.

4. Consider the lengths of alligators to be {18.7, 12.3, 18.6, 16.4, 15.7, 18.3, 15.8, 14.9, 17.6, 16.4, 16.7, 17.8, 16.2, 13.8, 15.2, 14.7, 13.2, 15.8, 14.6, 16.6, 16.2, 18.1, 17.5, 17.3 }. According to the Empirical Rule, 68% of the data should fall between what two numbers? A. 12.78 and 16.4 B. 13 and 16 C. 14.5 and 17.9 D. 15.7 and 16.3

5. The average show stays on Broadway for 2.4 years with a standard deviation of 1.5. What is the z-score of a show that runs for 2.7 years on Broadway?

A. 0.2 B. 0.5 C. 0.78 D. 3.33

6. Which is true about the response variable? i. This used to be called the dependent variable. i1. When graphing the data, the response variable is plotted along the x axis. A. Only i B. Only ii C. Both i and ii D. Neither i or ii

7. The regression line for an Olympic event is given. When students predict the time it will take to complete the event in the 2400 Olympics, they notice the time is equal to a negative value. Since the race cannot start before it begins, you can conclude that this is an example of what?

A. Simpson's Paradox B. Lurking Variables C. Confounding Variables D. Extreme Extrapolation

8. Which type of bias is best described by the statement, "The way in which the survey is written favors a particular response"?

A. Response B. Non-Response C. Wording D. Freedom