If, for a sample in which the subjects are randomly chosen, the mean income is $45,000, the sample size is 1600, the standard de
viation is $4,000, and the standard error of the mean is $10, what, approximately, is the 95% confidence interval for the population mean?
1 answer:
Just add 45'000, 4,000, 10,divided by 95% = your answer.
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