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1. |
What is the difference between the highest and the lowest values? |
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A. |
100 |
B. |
80 |
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C. |
75 |
D. |
84 |
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Hint |
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2. |
You have scores of 62, 75, and 90 on three of your history exams. What do you need to get on your fourth exam for a mean of 80? |
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A. |
93 |
B. |
100 |
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C. |
97 |
D. |
80 |
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Hint |
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3. |
The median is the _________ of a set of numbers. |
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A. |
middle number |
B. |
most frequent |
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C. |
average |
D. |
highest number |
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Hint |
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4. |
Which relationship would most likely have a negative correlation? |
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A. |
The number of pizzas ordered, and the total price of the bill. |
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B. |
A person's height and the person's shoe size. |
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C. |
A person's age, and the address of the person. |
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D. |
The number of miles driven, and the number of gallons of gas in the car. |
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Hint |
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5. |
Which relationship would most likely have no correlation? |
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A. |
The number of miles driven, and the number of gallons of gas in the car. |
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B. |
A person's age, and the address of the person. |
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C. |
The number of pizzas ordered, and the total price of the bill. |
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D. |
A person's height and the person's shoe size. |
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Hint |
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6. |
Which of the following is not necessarily considered a part of the population? |
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A. |
the data collector |
B. |
biased sample |
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C. |
random sample |
D. |
census |
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Hint |
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7. |
Which of the following frequencies occurs most often? |
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A. |
10 |
B. |
12 |
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C. |
8 |
D. |
14 |
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Hint |
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8. |
How many measurement classes are represented on the histogram? |
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A. |
9 |
B. |
14 |
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C. |
70 |
D. |
44 |
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Hint |
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9. |
Find the median of the data. |
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A. |
42.5 |
B. |
29.5 |
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C. |
19.5 |
D. |
23 |
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Hint |
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10. |
Which measure of variation does not depend on the mean? |
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A. |
standard deviation |
B. |
variance |
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C. |
range |
D. |
mode |
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Hint |
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11. |
What is the range of the stem-and-leaf plot? |
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 |
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A. |
71 |
B. |
77 |
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C. |
84 |
D. |
67 |
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Hint |
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12. |
Find the mean of the data in the stem-and-leaf plot. |
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A. |
78 |
B. |
77 |
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C. |
99 |
D. |
67 |
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Hint |
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13. |
Which relationship will most likely have a positive correlation? |
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A. |
Rising temperatures and ski equipment sales. |
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B. |
Increasing snow inches, and sled sales. |
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C. |
Battery power of a flashlight, and continued use of the flashlight. |
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D. |
A person's height and a person's eye color. |
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Hint |
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14. |
What percent of data does the box in a box-and-whisker plot represent? |
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A. |
75% |
B. |
100% |
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C. |
50% |
D. |
25% |
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Hint |
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15. |
Using the box-and-whisker plot, what is the third quartile of Exam B? |
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 |
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A. |
88 |
B. |
90 |
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C. |
95 |
D. |
50 |
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Hint |
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16. |
Using the box-and-whisker plot, what is the first quartile of Exam B? |
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 |
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A. |
83 |
B. |
72 |
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C. |
75 |
D. |
63 |
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Hint |
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17. |
What is the third quartile of {2, 5, 13, 21, 29}? |
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A. |
27 |
B. |
25 |
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C. |
18 |
D. |
20 |
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Hint |
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18. |
Find the first quartile of {2, 5, 13, 21, 0, 5, 18, 21, 22, 23, 26, 26, 26}? |
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A. |
27 |
B. |
5 |
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C. |
26 |
D. |
25 |
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Hint |
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19. |
Why is the graph misleading? |
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A. |
Color is misleading. |
B. |
Months are out of order. |
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C. |
Bars appear to have cut in half. |
D. |
Scale is not at even intervals. |
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Hint |
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20. |
What is B + C? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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