1.   What is the probability of a number less than 4 showing when a number cube is rolled?
    A. B.
    C. D.
    Hint

  2.   A _______ is used to compare two sets of data.
    A. leaf B. stem-and-leaf plot
    C. back-to-back stem-and-leaf plot D. stem
    Hint

  3.   Use the data to construct a back-to-back stem-and-leaf plot.
   
    A.
    B.
    C.
    D.
    Hint

  4.   What is the lower quartile of the set of data?
11 21 30 29 7 26
18 12 3 10 12 15
    A. 10.5 B. 23.5
    C. 13.5 D. 12
    Hint

  5.   Find the interquartile range of the set of data.
11 21 30 29 7 26
12 12 3 10 12 15
    A. 13 B. 23.5
    C. 10.5 D. 13.5
    Hint

  6.   How many ways can 5 CDs be selected from a stack of 12 different CDs?
    A. 1440 B. 95,040
    C. 792 D. 17,280
    Hint

  7.   Fifty tickets, numbered 1 through 50, are placed in a box. Four tickets are randomly drawn without replacement. What is the probability that 4 odd numbers are drawn?
    A. B.
    C. D.
    Hint

  8.   Suppose two number cubes are rolled. Find the probability of rolling a sum of 6.
    A. B.
    C. D.
    Hint

  9.   The box-and-whisker plot represents the test scores of 25 students. What is the lower extreme of the data?
   
    A. 79 B. 55
    C. 50 D. 65
    Hint

  10.   The box-and-whisker plot represents the test scores of 25 students. What percent of the scores were between 88.5 and 65?
   
    A. 25% B. 100%
    C. 50% D. 75%
    Hint

  11.   According to the histogram, which monthly amount of births occurred most often?
   
    A. 50 B. 30
    C. 20 D. 60
    Hint

  12.   According to the histogram, which month has the least births?
   
    A. March B. August
    C. October D. June
    Hint

  13.   Which statement is true?
   
    A. Tuesday's income was a 300% increase from Monday's income. B. Wednesday's income was a 40% decrease from Tuesday's income.
    C. Thursday's income was a 30% increase from Wednesday's income. D. Friday's income was a 17% decrease from Thursday's income.
    Hint

  14.   Select the correct statement.
   
    A. Tuesday's income is 3 times Monday's income. B. Wednesday's income is 0.71 times Monday's income.
    C. Friday's income is 1.1 times Monday's income. D. Thursday's income is 0.42 times Monday's income.
    Hint

  15.   If three coins are tossed, what is the probability of tossing two heads and one tail?
    A. B.
    C. D.
    Hint

  16.   What is the probability of winning a lottery game where the winning number is made up of three digits from 0 to 9 chosen at random and the numbers may repeat?
    A. B.
    C. D.
    Hint

  17.   How many ways can a two-color uniform be chosen from red, white, blue, green, and black?
    A. 120 B. 25
    C. 20 D. 10
    Hint

  18.   Two cards are randomly drawn from a standard deck of 52-playing cards without replacement. What is the probability of drawing a 2 followed by a 5?
    A. B.
    C. D.
    Hint

  19.   Which is an appropriate display for the following data set?

The percent of students who prefer each type of ice cream.

    A. circle graph B. bar graph
    C. line graph D. stem and leaf plot
    Hint

  20.   Which display best represents the data in the table?
   
    A.
    B.
    C.
    D.
    Hint

  21.   Which of the following represents the median of the data set {8, 7, 12, 20, 25, 15}?
    A. 13.5 B. 14.5
    C. 15 D. 16
    Hint

  22.   Which of the following represents the mode of the data set {35, 27, 18, 19, 21, 19, 22, 27, 19}?
    A. 21 B. 19
    C. 27 D. 23
    Hint