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1. |
A _______ is used to compare two sets of data. |
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A. |
stem-and-leaf plot |
B. |
stem |
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C. |
leaf |
D. |
back-to-back stem-and-leaf plot |
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Hint |
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2. |
Determine the interquartile range for the set of data. |
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 |
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A. |
1.5 |
B. |
10 |
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C. |
8.5 |
D. |
9 |
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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. |
circle graph |
B. |
line graph |
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C. |
pictograph |
D. |
box-and-whisker plot |
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Hint |
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4. |
A number cube is rolled and a coin is tossed. How many different outcomes are possible? |
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A. |
12 |
B. |
6 |
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C. |
8 |
D. |
16 |
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Hint |
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5. |
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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6. |
How many ways can 5 CDs be selected from a stack of 12 different CDs? |
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A. |
17,280 |
B. |
792 |
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C. |
95,040 |
D. |
1440 |
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Hint |
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7. |
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. |
4:13 |
B. |
9:4 |
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C. |
4:9 |
D. |
9:13 |
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Hint |
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8. |
There are 5 pennies, 7 nickels, and 9 dimes in a change purse. Suppose 2 coins are selected at random. Find the probability of selecting 2 pennies if the first coin is replaced before the second coin is chosen. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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9. |
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. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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10. |
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. |
32 cm |
B. |
3 cm |
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C. |
23 cm |
D. |
39 cm |
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Hint |
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11. |
Find the interquartile range of
{15, 16, 17, 5, 2, 20, 18, 20, 4, 11, 19, 11, 13}. |
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A. |
18.5 |
B. |
18 |
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C. |
10.5 |
D. |
15 |
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Hint |
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12. |
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. |
79 |
B. |
55 |
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C. |
88.5 |
D. |
65 |
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Hint |
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13. |
According to the histogram, how many more people were born in July than in June? |
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A. |
40 |
B. |
90 |
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C. |
30 |
D. |
60 |
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Hint |
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14. |
According to the histogram, how many total people were born in May, July, September, and November? |
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A. |
360 |
B. |
220 |
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C. |
60 |
D. |
240 |
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Hint |
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15. |
Which sentence is a true statement about the data in the graph? |
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A. |
Friday's income was twice Monday's income. |
B. |
Thursday's income was 1.07 times higher than Wednesday'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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16. |
Choose the correct statement. |
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A. |
Tuesday's income was 30% higher than Friday's income. |
B. |
Tuesday's income was 0.75 times Monday's income. |
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C. |
Tuesday's income was 27% higher than Thursday's income. |
D. |
Tuesday's income was higher then Monday's income and Friday's income combined. |
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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. |
3,628,800 |
B. |
120,960 |
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C. |
210 |
D. |
5,040 |
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Hint |
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18. |
A bag contains 6 orange marbles, 4 black marbles, and 4 brown marbles. If one marble is drawn at random, what are the odds against drawing a brown marble? |
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A. |
2:7 |
B. |
5:2 |
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C. |
2:5 |
D. |
7:2 |
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Hint |
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