The best point estimate for the standard deviation of a population is
A) The standard deviation of the sample.
B) The variance of the population.
C) The variance of the sample. D)
$\frac { ( n - 1 ) s ^ { 2 } } { \sigma ^ { 2 } }$

Question

Quizplus · Accepted Answer

The standard deviation of the sample is the best point estimate for the standard deviation of a population because it directly measures the dispersion of sample data points around their mean, which is used to estimate the population standard deviation.

The Best Point Estimate for the Standard Deviation of a Population