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1. |
Use the data presented below. The highlighted values are called ________ |
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A. |
backs. |
B. |
leaves. |
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C. |
plots. |
D. |
stems. |
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Hint |
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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 |
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A. |
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B. |
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C. |
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D. |
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Hint |
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3. |
Determine the range of the set of data.
11 21 30 29 7 26
18 12 3 10 12 15 |
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A. |
13.5 |
B. |
27 |
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C. |
16.17 |
D. |
12 |
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Hint |
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4. |
Which display summarizes data using the median, the upper quartile, the lower quartile, the upper extreme, and the lower extreme? |
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A. |
line graph |
B. |
pictograph |
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C. |
box-and-whisker plot |
D. |
circle graph |
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Hint |
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5. |
A number cube is rolled and a coin is tossed. How many different outcomes are possible? |
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A. |
8 |
B. |
16 |
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C. |
12 |
D. |
6 |
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Hint |
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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? |
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A. |
192 |
B. |
20 |
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C. |
96 |
D. |
58 |
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Hint |
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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? |
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A. |
9:11 |
B. |
3:2 |
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C. |
11:9 |
D. |
17:3 |
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Hint |
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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? |
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A. |
9:4 |
B. |
4:13 |
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C. |
9:13 |
D. |
4:9 |
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Hint |
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9. |
Find the interquartile range of
{60, 23, 69, 25, 75, 66, 31, 48, 78, 60}. |
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A. |
60 |
B. |
69 |
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C. |
31 |
D. |
38 |
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Hint |
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10. |
The box-and-whisker plot represents the test scores of 25 students. What is the lower quartile of the data? |
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A. |
65 |
B. |
79 |
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C. |
88.5 |
D. |
55 |
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Hint |
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11. |
According to the histogram, how may people were born in October or later in the year? |
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A. |
90 |
B. |
30 |
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C. |
80 |
D. |
110 |
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Hint |
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12. |
According to the histogram, which month has the least births? |
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A. |
August |
B. |
June |
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C. |
March |
D. |
October |
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Hint |
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13. |
Which statement is true? |
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A. |
Wednesday's income was a 33% increase from Friday's income. |
B. |
Wednesday's income was half of Tuesday's income. |
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C. |
Wednesday's income was one-third of Thursday's income. |
D. |
Wednesday's income was a 24% increase from Monday's income. |
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Hint |
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14. |
Select the valid statement. |
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A. |
Monday's income was 50% of Friday's income. |
B. |
Monday's income was 70% of Tuesday's income. |
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C. |
Monday's income was 25% of Thursday's income. |
D. |
Monday's income was 90% of Wednesday's income. |
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Hint |
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15. |
How many ways can 8 track runners be arranged on a four-person relay team? |
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A. |
70 |
B. |
40,320 |
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C. |
1,680 |
D. |
336 |
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Hint |
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16. |
How many ways can a two-color uniform be chosen from red, white, blue, green, and black? |
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A. |
20 |
B. |
25 |
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C. |
120 |
D. |
10 |
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Hint |
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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? |
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A. |
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B. |
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C. |
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D. |
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Hint |
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18. |
Three cards are randomly drawn from a standard deck of 52-playing cards without replacement. What is the probability of drawing three queens? |
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A. |
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B. |
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C. |
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D. |
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Hint |
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