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1. |
Find the standard deviation of the set {4, 7, 3, 8, 2, 6, 5, 8, 3, 2} to the nearest hundredth. |
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A. |
2.35 |
B. |
2.23 |
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C. |
2.00 |
D. |
2.46 |
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Hint |
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2. |
Find the standard deviation of the data in the stem-and-leaf plot to the nearest hundredth. |
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A. |
10.72 |
B. |
228.50 |
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C. |
11.74 |
D. |
217.00 |
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Hint |
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3. |
Find the standard deviation of the set {15, 42, 30, 22, 19, 32} to the nearest hundredth. |
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A. |
9.05 |
B. |
10.14 |
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C. |
10.03 |
D. |
9.91 |
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Hint |
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4. |
The enrollments at the University of Texas at Austin in some recent years were 47,905, 48,008, 48,857, 48,906, and 49,009. Find the standard deviation of the data. |
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A. |
477.62 |
B. |
452.93 |
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C. |
434.00 |
D. |
461.28 |
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Hint |
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5. |
Compute the variance and standard deviation for the set of {7,7,7,7}. Round to the nearest tenth. |
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A. |
0; 28 |
B. |
0; 7 |
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C. |
7; 0 |
D. |
0; 0 |
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Hint |
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