A sample of 100 students is selected from a known population of 1,000 students to construct a 95% confidence interval for the average SAT score. What correction factor should be used to compute the standard error?
A) 0.949
B) 0.901
C) 1.96
D) 9.01
E) Cannot be determined

Question

Quizplus · Accepted Answer

The correction factor is the finite population correction (FPC) factor, which is calculated as sqrt((N-n)/(N-1)), where N is the population size and n is the sample size. Here, N = 1000 and n = 100, so the FPC = sqrt((1000-100)/(1000-1)) = sqrt(900/999) ≈ 0.949.

A Sample of 100 Students Is Selected from a Known