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1. |
Write the stems that would be used in a stem-and-leaf plot for the data. 28 32 38 30 31 13 36 35 38 27 14 29 32 28 27 15 |
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A. |
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B. |
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C. |
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D. |
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2. |
Construct a stem-and-leaf plot for the data. 28 32 38 30 31 13 36 35 38 27 14 29 32 28 27 15 |
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A. |
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B. |
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C. |
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D. |
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3. |
Find the upper 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. |
13.5 |
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C. |
23.5 |
D. |
10.5 |
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4. |
What is the upper quartile for the data? |
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A. |
8.5 |
B. |
20 |
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C. |
11.5 |
D. |
15 |
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5. |
An arrangement where order is not important is called a(n) |
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A. |
combination. |
B. |
permutation. |
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C. |
outcome. |
D. |
factorial. |
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6. |
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. |
13:16 |
B. |
5:13 |
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C. |
5:18 |
D. |
13:5 |
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7. |
The spinner below is spun. What are the odds against it landing on green? |
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A. |
1:3 |
B. |
1:2 |
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C. |
2:1 |
D. |
2:3 |
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8. |
Two number cubes are rolled twice. What is the probability of rolling a sum of at least 6 then rolling doubles? |
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A. |
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B. |
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C. |
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D. |
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9. |
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. |
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B. |
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C. |
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D. |
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10. |
The box-and-whisker plot represents the test scores of 25 students. What is the lower extreme of the data? |
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A. |
50 |
B. |
55 |
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C. |
79 |
D. |
65 |
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11. |
The box-and-whisker plot represents the test scores of 25 students. What percent of the scores were above 50? |
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A. |
50% |
B. |
25% |
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C. |
100% |
D. |
75% |
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Hint |
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12. |
According to the histogram, how many people were born in December? |
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A. |
30 |
B. |
60 |
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C. |
20 |
D. |
40 |
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13. |
According to the histogram, which monthly amount of births occurred most often? |
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A. |
50 |
B. |
60 |
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C. |
20 |
D. |
30 |
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14. |
Which sentence is a true statement about the data represented by the graph? |
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A. |
Wednesday's income was half of Tuesday's income. |
B. |
Tuesday's income was about 40% greater than Monday's income. |
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C. |
Friday's income was one-third of Thursday's income. |
D. |
The sum of Wednesday's income and Friday's income was equal to Thursday's income. |
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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 20% greater than Monday's income. |
B. |
Friday's income was 50% below Thursday's income. |
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C. |
Wednesday's income was a 13% decrease from Tuesday's income. |
D. |
Tuesday's income was twice Monday's income. |
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16. |
How many different pizzas can be ordered from cheese choices of Romano, Parmesan, or mozzarella and crust choices of thin, traditional, or deep dish? |
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A. |
2 |
B. |
1 |
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C. |
9 |
D. |
6 |
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Hint |
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17. |
How many different outfits are possible from six shirts, four pairs of pants, and five pairs of socks? |
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A. |
60 |
B. |
120 |
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C. |
216 |
D. |
15 |
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Hint |
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18. |
Find the value of 7!. |
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A. |
5,040 |
B. |
120 |
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C. |
720 |
D. |
28 |
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Hint |
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