The arithmetic mean of 5, 8, 10, 15, 24 and 28 is_______
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Correct Answer: Option B
Explanation:
where N = Number of observation and X is observations[Therefore;
| Arithmetic | Mean | = | ∑X[hr] N | , |
| 5 + 8 + 10 + 15 + 24 + 28[hr] 6 |
| = | 90[hr] 6 | = | 15 |