Multiple Choice
A population mean is to be estimated from the sample described. Round your answer to one decimal place if necessary. Assume that all confidence intervals use a 95% confidence level.
-Sample size = 256, sample mean = 45, sample standard deviation = 17 What is the margin of error?
A) 1.1
B) 0.1
C) 5.6
D) 2.1
Correct Answer:
Verified
Correct Answer:
Verified
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