Which of the following options correctly describes how to obtain the estimated standard error in a t-test?
A) Divide the population standard deviation by the sample size
B) Divide the population standard deviation by the square root of the sample size
C) Divide the sample standard deviation by the sample size
D) Divide the sample standard deviation by the square root of the sample size

Question

Quizplus · Accepted Answer

The estimated standard error in a t-test is obtained by dividing the sample standard deviation by the square root of the sample size. This is because the sample standard deviation provides an estimate of the population standard deviation, and dividing by the square root of the sample size adjusts for the fact that the sample mean is only an estimate of the true population mean, and therefore may vary from sample to sample.

Which of the Following Options Correctly Describes How to Obtain