Compute the standard error of a sampling distribution.
-A recent survey of 120 senior citizens at a local supermarket found that 44% have
Purchased reusable cloth bags for groceries. What is the standard error of the sampling
Distribution of the sample proportion?
A) 0.0021
B) 0.0453
C) 0.2464
D) 0.0370
E) 0.1030

Question

Quizplus · Accepted Answer

The standard error (SE) of the sample proportion is calculated using the formula SE = sqrt[(p(1-p))/n], where p is the sample proportion (0.44) and n is the sample size (120). Plugging in the values, SE = sqrt[(0.44 * 0.56) / 120] ≈ 0.0453.

Compute the Standard Error of a Sampling Distribution