Multiple Choice
A researcher wishes to estimate the mean amount of money spent per month on food by households in a certain neighborhood. She desires a margin of error of $12. Past studies suggest that a population standard deviation of $229 is reasonable. Estimate the minimum sample size needed to estimate the population mean with the stated accuracy.
A) 728
B) 17,480
C) 38
D) 1457
Correct Answer:
Verified
Correct Answer:
Verified
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