1.   What is the difference between the highest and the lowest values?
   
    A. 100 B. 80
    C. 75 D. 84
    Hint

  2.   You have scores of 62, 75, and 90 on three of your history exams. What do you need to get on your fourth exam for a mean of 80?
    A. 93 B. 100
    C. 97 D. 80
    Hint

  3.   The median is the _________ of a set of numbers.
    A. middle number B. most frequent
    C. average D. highest number
    Hint

  4.   Which relationship would most likely have a negative correlation?
    A. The number of pizzas ordered, and the total price of the bill.
    B. A person's height and the person's shoe size.
    C. A person's age, and the address of the person.
    D. The number of miles driven, and the number of gallons of gas in the car.
    Hint

  5.   Which relationship would most likely have no correlation?
    A. The number of miles driven, and the number of gallons of gas in the car.
    B. A person's age, and the address of the person.
    C. The number of pizzas ordered, and the total price of the bill.
    D. A person's height and the person's shoe size.
    Hint

  6.   Which of the following is not necessarily considered a part of the population?
    A. the data collector B. biased sample
    C. random sample D. census
    Hint

  7.   Which of the following frequencies occurs most often?
   
    A. 10 B. 12
    C. 8 D. 14
    Hint

  8.   How many measurement classes are represented on the histogram?
   
    A. 9 B. 14
    C. 70 D. 44
    Hint

  9.   Find the median of the data.
   
    A. 42.5 B. 29.5
    C. 19.5 D. 23
    Hint

  10.   Which measure of variation does not depend on the mean?
    A. standard deviation B. variance
    C. range D. mode
    Hint

  11.   What is the range of the stem-and-leaf plot?
   
    A. 71 B. 77
    C. 84 D. 67
    Hint

  12.   Find the mean of the data in the stem-and-leaf plot.
   
    A. 78 B. 77
    C. 99 D. 67
    Hint

  13.   Which relationship will most likely have a positive correlation?
    A. Rising temperatures and ski equipment sales.
    B. Increasing snow inches, and sled sales.
    C. Battery power of a flashlight, and continued use of the flashlight.
    D. A person's height and a person's eye color.
    Hint

  14.   What percent of data does the box in a box-and-whisker plot represent?
    A. 75% B. 100%
    C. 50% D. 25%
    Hint

  15.   Using the box-and-whisker plot, what is the third quartile of Exam B?
   
    A. 88 B. 90
    C. 95 D. 50
    Hint

  16.   Using the box-and-whisker plot, what is the first quartile of Exam B?
   
    A. 83 B. 72
    C. 75 D. 63
    Hint

  17.   What is the third quartile of {2, 5, 13, 21, 29}?
    A. 27 B. 25
    C. 18 D. 20
    Hint

  18.   Find the first quartile of
{2, 5, 13, 21, 0, 5, 18, 21, 22, 23, 26, 26, 26}?
    A. 27 B. 5
    C. 26 D. 25
    Hint

  19.   Why is the graph misleading?
   
    A. Color is misleading. B. Months are out of order.
    C. Bars appear to have cut in half. D. Scale is not at even intervals.
    Hint

  20.   What is B + C?
   
    A. B.
    C. D.
    Hint



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