In the equation for calculating a confidence interval for a proportion, p± z_a_/₂ $\sqrt { \frac { p ( 1 - p ) } { n } }$ , what does $\sqrt { \frac { p ( 1 - p ) } { n } }$ represent? A) the mean for the sampling distribution of the proportion B) the degree of freedom for the sampling distribution of the proportion C) the standard error for the sampling distribution of the proportion D) the estimator for sampling distribution of the proportion

Question

Quizplus · Accepted Answer

The term $\sqrt { \frac { p ( 1 - p ) } { n } }$ represents the standard error of the sampling distribution of the proportion, which is used to measure the dispersion or variability of the sampling distribution.

In the Equation for Calculating a Confidence Interval for a Proportion