What is the standard deviation if a proportion of 0.094 is found from 25 samples each of size 200?
A)0.0637
B)0.0653
C)0.0004
D)0.0206

Question

Quizplus · Accepted Answer

The standard deviation of a proportion is calculated using the formula $\sqrt{\frac{p(1-p)}{n}}$, where $p$ is the proportion and $n$ is the sample size. Plugging in the given values, $\sqrt{\frac{0.094(1-0.094)}{200}}$ gives approximately 0.0206.

What Is the Standard Deviation If a Proportion of 0