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1. |
Use the data presented below. The highlighted values are called ________ |
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A. |
backs. |
B. |
stems. |
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C. |
leaves. |
D. |
plots. |
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Hint |
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2. |
What are the stems that would be used in a stem-and-leaf 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. |
8, 9, 10, 11 |
B. |
0, 1, 3, 4, 5, 6, 7, 8, 9 |
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C. |
9, 10, 11, 12 |
D. |
0, 1 |
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Hint |
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3. |
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. |
box-and-whisker plot |
B. |
circle graph |
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C. |
line graph |
D. |
pictograph |
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Hint |
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4. |
A video store has 6 new comedies, 4 new action movies, and 2 new dramas available to rent. If you choose 1 of each type of movie, how many combinations are there? |
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A. |
24 |
B. |
36 |
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C. |
12 |
D. |
48 |
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Hint |
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5. |
Two number cubes are rolled. What are the odds that the sum of the numbers showing is less than 9? |
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A. |
5:18 |
B. |
5:13 |
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C. |
13:16 |
D. |
13:5 |
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Hint |
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6. |
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. |
4:9 |
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C. |
9:13 |
D. |
4:13 |
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Hint |
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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? |
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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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8. |
A red number cube and a blue number cube are tossed. Determine the probability of the red number cube showing a 3 and the blue number cube showing a 6. |
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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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9. |
Find the interquartile range of
{60, 23, 69, 25, 75, 66, 31, 48, 78, 60}. |
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A. |
60 |
B. |
38 |
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C. |
31 |
D. |
69 |
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Hint |
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10. |
Find the interquartile range of
{15, 16, 17, 5, 2, 20, 18, 20, 4, 11, 19, 11, 13}. |
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A. |
15 |
B. |
10.5 |
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C. |
18 |
D. |
18.5 |
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Hint |
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11. |
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. |
88.5 |
B. |
65 |
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C. |
79 |
D. |
55 |
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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. |
March |
B. |
June |
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C. |
October |
D. |
August |
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Hint |
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13. |
According to the histogram, which interval has the least births? |
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A. |
April-June |
B. |
October-December |
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C. |
July-September |
D. |
January-March |
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Hint |
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14. |
Which sentence is a true statement about the data in the graph? |
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A. |
Friday's income was 20% greater than Monday's income. |
B. |
Tuesday's income was twice Monday's income. |
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C. |
Wednesday's income was a 13% decrease from Tuesday's income. |
D. |
Friday's income was 50% below Thursday's income. |
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Hint |
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15. |
Choose the correct statement. |
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A. |
Tuesday's income was higher then Monday's income and Friday's income combined. |
B. |
Tuesday's income was 0.75 times Monday's income. |
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C. |
Tuesday's income was 30% higher than Friday's income. |
D. |
Tuesday's income was 27% higher than Thursday's income. |
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Hint |
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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? |
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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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17. |
How many ways can a two-color uniform be chosen from red, white, blue, green, and black? |
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A. |
20 |
B. |
120 |
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C. |
25 |
D. |
10 |
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Hint |
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18. |
Find the number of line segments that can be drawn between any two vertices of a hexagon. |
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A. |
30 |
B. |
24 |
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C. |
9 |
D. |
15 |
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Hint |
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