Provide an appropriate response.
-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, which is used to estimate the dispersion of the entire population.

Provide an Appropriate Response (n−1)s2σ2\frac { ( n - 1 ) s ^ { 2 } } { \sigma ^ { 2 } }σ2(n−1)s2​

Provide an Appropriate Response $\frac { ( n - 1 ) s ^ { 2 } } { \sigma ^ { 2 } }$