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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. |
69.7 in. |
B. |
69.8 in. |
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C. |
69.9 in. |
D. |
70.0 in. |
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Hint |
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2. |
The data are ages of children in months. Find the mean age. |
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A. |
13.52 months |
B. |
12 months |
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C. |
10.25 months |
D. |
11.75 months |
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Hint |
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3. |
Find the median of 13.2, 14.1, 13 , 14 , 13 , 14.25, and 14 . |
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A. |
13 |
B. |
14.1 |
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C. |
14 |
D. |
13 |
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Hint |
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4. |
Which measure of central tendency is most representative of the data?
6, 8, 3, 5, 32, 6, 5, 4, 28, 2, 2, 2 |
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A. |
mean |
B. |
mode |
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C. |
median |
D. |
range |
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Hint |
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5. |
Which measures of central tendency are representative of the data?
15, 10, 13, 20, 152, 18, 8, 5, 13 |
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A. |
mean and median |
B. |
median and mode |
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C. |
mean and mode |
D. |
mean, median , and mode |
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Hint |
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