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1. |
Find the range of {5, 21, 2, 14, 13}. |
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A. |
65 |
B. |
19 |
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C. |
13 |
D. |
14 |
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Hint |
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2. |
What is the interquartile range of Exam A? |
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 |
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A. |
5 |
B. |
11 |
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C. |
16 |
D. |
35 |
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Hint |
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3. |
Steve needed to find out which classes people liked the most. Therefore, after he arrived at his math club meeting, he asked some people there. What kind of sample is this? |
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A. |
biased, voluntary |
B. |
unbiased, random stratified sample |
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C. |
biased, convenience |
D. |
unbiased, random sample |
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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. |
biased, convenience sample |
B. |
unbiased, systematic random sample |
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C. |
unbiased, stratified random sample |
D. |
unbiased, simple random sample |
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Hint |
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5. |
Find A – C. |
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A. |
 |
B. |
 |
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C. |
impossible |
D. |
 |
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Hint |
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6. |
Find –5B. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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7. |
In which measurement class does the median occur? |
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A. |
25-29 months |
B. |
20-24 months |
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C. |
30-34 months |
D. |
35-39 months |
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Hint |
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8. |
Which table contains data whose distribution would be skewed right? |
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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. |
Find the lower quartile of the data. |
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A. |
42.5 |
B. |
29.5 |
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C. |
2 |
D. |
19.5 |
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Hint |
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10. |
What is the greatest value of the data? |
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 |
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A. |
9.5 |
B. |
19 |
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C. |
10 |
D. |
13 |
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Hint |
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