Author Question: The appropriate test to use for comparing a single sample mean to the population mean is _____. ... (Read 43 times)

123654777 · **on:** Jun 19, 2018

The appropriate test to use for comparing a single sample mean to the population mean is _____.

a. Cohen's d c. the z test
b. t test for independent groups d. the standard error of the mean

Question 2

The variance of the sampling distribution of the mean is _____ the variance each of the samples.

a. less than c. equal to
b. more than d. none of these

fraziera112 · **Reply #1 on:** Jun 19, 2018

Answer to Question 1

C
The z test can be used once the sample mean has been converted to a standard score.

Answer to Question 2

A
The variance is lower in the sampling distribution of the mean because it is comprised of means, which are measures of the centers of the distributions they represent.