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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. |
69.8 in. |
B. |
69.7 in. |
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C. |
70.0 in. |
D. |
69.9 in. |
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Hint |
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2. |
The data are ages of children in months. Find the median age. |
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A. |
14 months |
B. |
12 months |
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C. |
18 months |
D. |
11 months |
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Hint |
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3. |
The data are ages of children in months. Find the mode age. |
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A. |
13 months |
B. |
12 months |
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C. |
9 months |
D. |
18 months |
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Hint |
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4. |
Find the median of –11.1, -10.9, -11 , -11 , -10 , -10.5, -11.25. |
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A. |
-11 |
B. |
-11.1 |
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C. |
-10.9 |
D. |
-10.5 |
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Hint |
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5. |
Which measures of central tendency are representative of the data?
15, 2, 12, 5, 15, 8, 6, 10 |
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A. |
mean and median |
B. |
mean, median, and mode |
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C. |
median and mode |
D. |
mean and mode |
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Hint |
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