The second moment about the mean is always equal to the?
Correct answer C. Variance
Explanation
The second central moment is ∑(x − x̄)²/n, which is the definition of the variance.
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More Measures Of Dispersion questions
See allWhich of the following is a measure of relative dispersion?
Correct answer D. Coefficient of quartile deviation
Quartile deviation is not capable of further ____ treatment. Which word fills the blank?
Correct answer A. Algebraic
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In a symmetrical distribution, what is the coefficient of skewness?
Correct answer C. 0
The degree of ____ of a distribution, measured relative to the normal distribution, is known as kurtosis. Which word fills the blank?
Correct answer A. Flatness
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