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1. |
Find the range of {5, 21, 2, 14, 13}. |
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A. |
19 |
B. |
13 |
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C. |
65 |
D. |
14 |
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Hint |
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2. |
Find the upper quartile of {2, 5, 13, 21, 29}. |
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A. |
29 |
B. |
3.5 |
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C. |
25 |
D. |
13 |
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Hint |
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3. |
What is the interquartile range of Exam A? |
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 |
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A. |
5 |
B. |
35 |
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C. |
11 |
D. |
16 |
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Hint |
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4. |
To ensure healthy food, every tenth item is checked. What kind of sample is this? |
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A. |
unbiased, simple random sample |
B. |
biased, convenience sample |
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C. |
unbiased, systematic random sample |
D. |
unbiased, stratified random sample |
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Hint |
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5. |
A survey is done to see how many times the average American volunteers for things. Ronald asks people from all parts of the United States. What kind of sample is this? |
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A. |
biased, voluntary response |
B. |
biased, convenience |
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C. |
unbiased, stratified random sample |
D. |
unbiased, simple random sample |
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Hint |
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6. |
Find . |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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7. |
Find . |
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A. |
 |
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B. |
 |
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C. |
impossible |
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D. |
 |
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Hint |
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8. |
Which table contains data whose distribution would be skewed left? |
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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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9. |
In which measurement class does the median occur? |
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 |
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A. |
60°-69° F |
B. |
70°-79° F |
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C. |
90°-99° F |
D. |
80°-89° F |
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Hint |
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10. |
Find the upper quartile of the data. |
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 |
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A. |
19 |
B. |
10 |
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C. |
13 |
D. |
9.5 |
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Hint |
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