The Formula for the Standard Error Is:
A) $\sigma _ { M } = \sigma / \sqrt { N }$

Multiple Choice

The formula for the standard error is:

A) $\sigma _ { M } = \sigma / \sqrt { N }$
B) $\sigma _ { S } = \mu / \sqrt { N }$
C) $\sigma _ { M } = \sum / N$
D) $\sigma _ { S } = \sum / ( N - 1 )$