A sample of 100 observations has a standard deviation of 25. What is the standard error?
A) 5
B) 2.5
C) .25
D) Cannot be determined

Name: A sample of 100 observations has a standard deviation of 25. What is the standard error? A) 5 B) 2.5 C) .25 D) Cannot be determined
Brand: Quizplus
Rating: 4.8 (38 reviews)

Question

Quizplus · Accepted Answer

The standard error is the standard deviation divided by the square root of the sample size. In this case, the standard error is 25 / sqrt(100) = 2.5.

A Sample of 100 Observations Has a Standard Deviation of 25