Question

what is a sample statistic? a descriptive measure of a. give three examples. (select all that apply.) μ σ s p ˉ x ˆ p

Explanation:

A sample statistic is a descriptive measure of a sample. $\mu$ (population mean) and $\sigma$ (population standard deviation) are parameters (descriptive measures of a population). $s$ (sample standard deviation), $\bar{x}$ (sample mean), $\hat{p}$ (sample proportion) are sample statistics. $p$ is a population proportion (a parameter).

Answer:

A sample statistic is a descriptive measure of a sample. Examples: $s$, $\bar{x}$, $\hat{p}$.