1.   Use the data presented below. The highlighted values are called ________
   
    A. leaves. B. plots.
    C. stems. D. backs.
    Hint

  2.   Construct a stem-and-leaf plot for the data.
114 101 107 120 93 108 119
127 93 99 114 100 94 125
116 99 101 127 114 110 103
    A.
    B.
    C.
    D.
    Hint

  3.   Determine the range of the set of data.
11 21 30 29 7 26
18 12 3 10 12 15
    A. 13.5 B. 27
    C. 12 D. 16.17
    Hint

  4.   Which display summarizes data using the median, the upper quartile, the lower quartile, the upper extreme, and the lower extreme?
    A. circle graph B. pictograph
    C. box-and-whisker plot D. line graph
    Hint

  5.   A number cube is rolled and a coin is tossed. How many different outcomes are possible?
    A. 6 B. 12
    C. 16 D. 8
    Hint

  6.   If you choose 1 scoop of ice cream from 12 flavors and any 1 topping from a choice of 8, how many different ice-cream sundaes can you make?
    A. 192 B. 96
    C. 20 D. 58
    Hint

  7.   A vase contains 3 red flowers, 3 violet flowers, 6 pink flowers, and 8 yellow flowers. If one flower is chosen at random, what are the odds that it is not red or yellow?
    A. 17:3 B. 3:2
    C. 11:9 D. 9:11
    Hint

  8.   Using a standard deck of 52 playing cards, one card is randomly picked. What are the odds that the card is a diamond or a 5?
    A. 4:9 B. 9:13
    C. 9:4 D. 4:13
    Hint

  9.   Find the interquartile range of
{60, 23, 69, 25, 75, 66, 31, 48, 78, 60}.
    A. 31 B. 60
    C. 69 D. 38
    Hint

  10.   The box-and-whisker plot represents the test scores of 25 students. What is the lower quartile of the data?
   
    A. 79 B. 65
    C. 88.5 D. 55
    Hint

  11.   According to the histogram, how may people were born in October or later in the year?
   
    A. 110 B. 30
    C. 90 D. 80
    Hint

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

  13.   Which statement is true?
   
    A. Wednesday's income was a 33% increase from Friday's income. B. Wednesday's income was a 24% increase from Monday's income.
    C. Wednesday's income was one-third of Thursday's income. D. Wednesday's income was half of Tuesday's income.
    Hint

  14.   Select the valid statement.
   
    A. Monday's income was 50% of Friday's income. B. Monday's income was 90% of Wednesday's income.
    C. Monday's income was 70% of Tuesday's income. D. Monday's income was 25% of Thursday's income.
    Hint

  15.   How many ways can 8 track runners be arranged on a four-person relay team?
    A. 1,680 B. 40,320
    C. 336 D. 70
    Hint

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

  17.   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

  18.   Three cards are randomly drawn from a standard deck of 52-playing cards without replacement. What is the probability of drawing three queens?
    A. B.
    C. D.
    Hint



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