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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. |
Find the mean, median, and mode for {4, 6, 7, 7, 11, 12, 16}. |
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A. |
9, 9, 7 |
B. |
7, 9, 7 |
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C. |
9, 7, 7 |
D. |
7, 7, 9 |
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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. |
18 months |
B. |
12 months |
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C. |
9 months |
D. |
13 months |
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Hint |
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4. |
Use the data set {1, 7, 3, 5, 3, 6, 2, 4, 3, 2}. Find the mode. |
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A. |
5 |
B. |
3 |
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C. |
4 |
D. |
2 |
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Hint |
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5. |
Which measure of central tendency is most representative of the data?
1, 3, 17, 20, 4, 3, 18, 1, 2, 19 |
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A. |
range |
B. |
mean |
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C. |
mode |
D. |
median |
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Hint |
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