The best measure of dispersion to determine the tallest tree in a forest is

Economics

JAMB 2014

A. range
B. variance
C. standard deviation
D. mean deviation

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Correct Answer: Option B

Explanation

variance is the expectation of the squared deviation of a random variable from its mean. Informally, it measures how far a set of (random) numbers are spread out from their average value.

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The best measure of dispersion to determine the tallest tree in a forest is

Correct Answer: Option B

Explanation

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