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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.
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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3. |
What is the upper quartile for the data? |
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A. |
8.5 |
B. |
11.5 |
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C. |
15 |
D. |
20 |
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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. |
box-and-whisker plot |
B. |
line graph |
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C. |
circle graph |
D. |
pictograph |
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5. |
Is the graph below misleading? Why or why not? |
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A. |
No; The graph is easy to read. |
B. |
No; Every store has a price listed. |
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C. |
Yes; The vertical axis is not uniform and does not include zero. |
D. |
Yes; The information is presented in a bar graph. |
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6. |
The spinner below is spun and a number cube is tossed. What is the probability of blue and 4? |
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A. |
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B. |
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C. |
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D. |
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7. |
An arrangement where order is not important is called a(n) |
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A. |
factorial. |
B. |
outcome. |
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C. |
permutation. |
D. |
combination. |
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8. |
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. |
3:2 |
B. |
11:9 |
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C. |
17:3 |
D. |
9:11 |
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9. |
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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10. |
Find the range of
{10, 14, 2, 2, 13, 3, 6, 16, 19, 3}. |
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A. |
17 |
B. |
10 |
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C. |
13 |
D. |
7 |
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11. |
The box-and-whisker plot represents the test scores of 25 students. What percent of the scores were between 65 and 79? |
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A. |
75% |
B. |
50% |
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C. |
25% |
D. |
100% |
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Hint |
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12. |
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. |
110 |
D. |
80 |
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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. |
30 |
B. |
40 |
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C. |
60 |
D. |
90 |
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14. |
Which sentence is a true statement about the data in the graph? |
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A. |
Thursday's income more than doubled Friday's income. |
B. |
Tuesday's income was a 100% increase from Monday's income. |
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C. |
Thursday's income was 1.07 times higher than Wednesday's income. |
D. |
Friday's income was twice Monday's income. |
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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. |
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B. |
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C. |
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D. |
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16. |
How many ways can 8 track runners be arranged on a four-person relay team? |
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A. |
1,680 |
B. |
336 |
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C. |
70 |
D. |
40,320 |
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Hint |
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17. |
If an experiment provided positive results on 15 out of 20 trials, what are the odds that the same experiment will provide a positive result on the next trial? |
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A. |
4:3 |
B. |
1:3 |
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C. |
3:4 |
D. |
3:1 |
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18. |
What is the probability of tossing heads on a coin four times in a row? |
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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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