A sample with a mean of M = 40 and a variance of s² = 20 has an estimated standard error of 1 point.How many scores are in the sample?
A)4
B)5
C)20
D)21

Name: A sample with a mean of M = 40 and a variance of s² = 20 has an estimated standard error of 1 point.How many scores are in the sample? A)4 B)5 C)20 D)21
Brand: Quizplus
Rating: 4.9 (36 reviews)

Question

Quizplus · Accepted Answer

The estimated standard error is the standard deviation divided by the square root of the sample size. So, the sample size is (20/1)^2 = 20.

A Sample with a Mean of M = 40 and a Variance