Finite Population Correction Factor
Researchers are comparing the proportion of adults who exercise regularly in two towns. Town X has a population of 5,000 adults, and Town Y has a population of 3,000 adults. A random sample of 600 adults is selected without replacement from Town X, and a random sample of 400 adults is selected without replacement from Town Y. How should the standard deviation of the difference in sample proportions be calculated?
A
Use bootstrapping to estimate the standard deviation
B
Use the standard formula; the difference is negligible
C
Apply finite population correction factors to both samples
D
Increase the standard deviation by 10%
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