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1. |
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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2. |
What is the lower quartile of the set of data? 11 21 30 29 7 26 18 12 3 10 12 15 |
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A. |
12 |
B. |
10.5 |
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C. |
13.5 |
D. |
23.5 |
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Hint |
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3. |
The spinner below is spun. What are the odds against it landing on green? |
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A. |
2:3 |
B. |
1:2 |
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C. |
2:1 |
D. |
1:3 |
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Hint |
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4. |
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. |
4:13 |
D. |
9:13 |
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Hint |
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5. |
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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6. |
The stem-and-leaf plot lists the heights of 37 children. What is the difference between the shortest and tallest child? |
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A. |
23 cm |
B. |
39 cm |
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C. |
32 cm |
D. |
3 cm |
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Hint |
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7. |
Find the interquartile range of {15, 16, 17, 5, 2, 20, 18, 20, 4, 11, 19, 11, 13}. |
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A. |
18 |
B. |
10.5 |
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C. |
15 |
D. |
18.5 |
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Hint |
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8. |
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. |
55 |
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C. |
65 |
D. |
79 |
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Hint |
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9. |
The box-and-whisker plot represents the test scores of 25 students. What is the upper quartile of the data? |
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A. |
79 |
B. |
65 |
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C. |
100 |
D. |
88.5 |
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Hint |
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10. |
According to the histogram, how many more people were born in July than in June? |
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A. |
30 |
B. |
40 |
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C. |
90 |
D. |
60 |
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Hint |
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11. |
According to the histogram, how many total people were born in May, July, September, and November? |
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A. |
360 |
B. |
60 |
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C. |
240 |
D. |
220 |
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Hint |
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12. |
Which sentence is a true statement about the data in the graph? |
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A. |
Thursday's income was 1.07 times higher than Wednesday's income. |
B. |
Friday's income was twice Monday's income. |
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C. |
Thursday's income more than doubled Friday's income. |
D. |
Tuesday's income was a 100% increase from Monday's income. |
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Hint |
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13. |
Select the valid statement. |
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A. |
Monday's income was 25% of Thursday's income. |
B. |
Monday's income was 70% of Tuesday's income. |
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C. |
Monday's income was 50% of Friday's income. |
D. |
Monday's income was 90% of Wednesday's income. |
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Hint |
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14. |
How many different outfits are possible from six shirts, four pairs of pants, and five pairs of socks? |
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A. |
15 |
B. |
120 |
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C. |
60 |
D. |
216 |
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Hint |
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15. |
If three coins are tossed, what is the probability of tossing two heads and one tail? |
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A. |
 |
B. |
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C. |
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D. |
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Hint |
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16. |
Find the value of 7!. |
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A. |
720 |
B. |
28 |
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C. |
5,040 |
D. |
120 |
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Hint |
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17. |
How many different ways can four CDs be chosen from a case of 10 CDs? |
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A. |
5,040 |
B. |
210 |
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C. |
3,628,800 |
D. |
120,960 |
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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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