A population has SS = 100 and Ϭ² = 4.What is the value of Σ(X - µ)for the population?
A)0
B)25
C)100
D)400

Name: A population has SS = 100 and Ϭ² = 4.What is the value of Σ(X - µ)for the population? A)0 B)25 C)100 D)400
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Question

Quizplus · Accepted Answer

The sum of the deviations from the mean (Σ(X - µ)) for any population or sample is always 0, because the mean is the average value, and deviations above and below the mean cancel each other out.

A Population Has SS = 100 and Ϭ² = 4