Suppose a population has a mean of 7 for some characteristic of interest and a standard deviation of 9.6. Asample is drawn from this population of size 64. What is the standard error of the mean?
A) 1.2
B) 0.7
C) 0.15
D) 3.3

Question

Quizplus · Accepted Answer

The standard error of the mean is calculated as the standard deviation of the population divided by the square root of the sample size. Here, it is 9.6 / sqrt(64) = 9.6 / 8 = 1.2.

Suppose a Population Has a Mean of 7 for Some