Skip to main content
Sampling Distribution of the Sample Mean and Central Limit Theorem
7. Sampling Distributions & Confidence Intervals: Mean / Sampling Distribution of the Sample Mean and Central Limit Theorem / Problem 5
Problem 5

A bell-shaped sampling distribution of the sample mean xˉ\bar{x} is shown below. The center is at 640640, and the dashed vertical lines appear at 620620 and 660660. What is the value of μxˉ\mu_{\bar{x}}?
Bell-shaped sampling distribution curve centered at 640 with dashed lines at 620 and 660 on the x-axis.