Decreasing the sample size causes the sampling distribution of x̄ to ________.
A)shift to the right
B)shift to the left
C)have more dispersion
D)have less dispersion
E)stay unchanged

Question

Quizplus · Accepted Answer

Decreasing the sample size typically causes the sampling distribution of the sample mean (x̄) to have more dispersion, as smaller samples are less likely to closely approximate the population mean, leading to greater variability in sample means.

Decreasing the Sample Size Causes the Sampling Distribution of X̄