Multiple Choice
In order to ensure that a proper sample size is employed for confidence intervals,it would be best to ________.
A) take an initial sample to estimate the population mean and then use that to estimate the best sample size
B) take an initial sample to estimate the population standard deviation and use that estimate to determine the required sample size
C) double the sample size that was originally proposed
D) always use a sample size of 30
Correct Answer:
Verified
Correct Answer:
Verified
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