The standard deviation of equals the population standard deviation divided by the square root of the sample size,or equivalently, .

Question

The standard deviation of  equals the population standard deviation divided by the square root of the sample size,or equivalently,  .

Quizplus · Accepted Answer

This statement is true and is commonly known as the formula for calculating the standard error, which is the standard deviation of a sample mean. The formula is SE = s/√n, where s is the sample standard deviation, n is the sample size, and SE is the standard error.

The Standard Deviation of Equals the Population Standard Deviation