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1. |
The heights in inches of 10 senior boys are 64, 65, 66, 68, 71, 72, 73, 73, 73, and 74. Find the mean of the heights. |
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A. |
69.9 in. |
B. |
69.7 in. |
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C. |
69.8 in. |
D. |
70.0 in. |
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Hint |
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2. |
Which are the measures of central tendency? |
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A. |
the mode only |
B. |
the mean, median, and mode |
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C. |
the median only |
D. |
the mean only |
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Hint |
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3. |
Find the mean, median, and mode for {4, 6, 7, 7, 11, 12, 16}. |
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A. |
7, 9, 7 |
B. |
9, 9, 7 |
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C. |
9, 7, 7 |
D. |
7, 7, 9 |
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Hint |
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4. |
The data are ages of children in months. Find the mean age. |
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A. |
10.25 months |
B. |
13.52 months |
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C. |
11.75 months |
D. |
12 months |
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Hint |
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5. |
The data are ages of children in months. Find the median age. |
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A. |
18 months |
B. |
11 months |
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C. |
12 months |
D. |
14 months |
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Hint |
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