In a sampling distribution of the mean, approximately percent of the sample means will be contained within the interval of two standard errors above and below the population mean.
A)34
B)68
C)95
D)over 99

Question

Quizplus · Accepted Answer

According to the central limit theorem, approximately 95% of the sample means will fall within two standard errors above and below the population mean in a sampling distribution of the mean. This is also known as the 95% confidence interval.

In a Sampling Distribution of the Mean, Approximately Percent of the Sample