Question

3.2 measures of spread: standard deviation and variance
which of the following represents the sample standard deviation?
○ s
○ s²
○ σ²
○ σ

Explanation:

In statistics, the symbol $s$ is used to represent the sample standard deviation. The symbol $s^{2}$ represents the sample variance. The symbols $\sigma^{2}$ and $\sigma$ are used for the population variance and population standard - deviation respectively.

Answer:

A. $s$