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1. |
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. |
0, 1, 3, 4, 5, 6, 7, 8, 9 |
B. |
9, 10, 11, 12 |
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C. |
8, 9, 10, 11 |
D. |
0, 1 |
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Hint |
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2. |
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. |
10.5 |
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C. |
13.5 |
D. |
23.5 |
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Hint |
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3. |
What is the upper quartile for the data? |
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A. |
20 |
B. |
15 |
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C. |
8.5 |
D. |
11.5 |
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Hint |
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4. |
Is the graph below misleading? Why or why not? |
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A. |
Yes; The vertical axis is not uniform and does not include zero. |
B. |
No; The graph is easy to read. |
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C. |
Yes; The information is presented in a bar graph. |
D. |
No; Every store has a price listed. |
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Hint |
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5. |
How many ways can 5 CDs be selected from a stack of 12 different CDs? |
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A. |
95,040 |
B. |
17,280 |
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C. |
1440 |
D. |
792 |
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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. |
4:13 |
B. |
9:13 |
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C. |
9:4 |
D. |
4:9 |
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Hint |
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7. |
A box of popsicles contains 4 of each flavor: cherry, lemon-lime, grape, and orange. Find the probability of one person randomly picking a cherry popsicle then another person selecting a grape popsicle from the box. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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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. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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9. |
The stem-and-leaf plot lists the heights of 37 children. In which interval do most of the heights occur? |
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A. |
110-119 |
B. |
140-149 |
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C. |
120-129 |
D. |
130-139 |
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Hint |
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10. |
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. |
100 |
B. |
79 |
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C. |
65 |
D. |
88.5 |
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Hint |
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11. |
The box-and-whisker plot represents the test scores of 25 students. Half of the students scored under what number? |
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A. |
55 |
B. |
79 |
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C. |
65 |
D. |
100 |
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Hint |
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12. |
According to the histogram, which interval has the most births? |
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A. |
January-March |
B. |
October-December |
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C. |
April-June |
D. |
July-September |
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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. |
30 |
B. |
60 |
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C. |
90 |
D. |
40 |
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Hint |
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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. |
The sum of Wednesday's income and Friday's income was equal to Thursday's income. |
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C. |
Friday's income was one-third of Thursday's income. |
D. |
Tuesday's income was about 40% greater than Monday's income. |
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Hint |
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15. |
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. |
1 |
B. |
2 |
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C. |
6 |
D. |
9 |
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Hint |
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16. |
How many different outfits are possible from six shirts, four pairs of pants, and five pairs of socks? |
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A. |
120 |
B. |
15 |
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C. |
60 |
D. |
216 |
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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. |
120,960 |
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C. |
3,628,800 |
D. |
210 |
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Hint |
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18. |
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. |
3:1 |
D. |
3:4 |
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Hint |
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