31. In constructing a confidence interval based on a large sample to estimate the mean u of a population with a known standard deviation o, which of the following does NOT affect the width of the confidence interval? the sample standard deviation the confidence level O the sample size the sample mean

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31. In constructing a confidence interval based on a large sample to estimate the mean u of a
population with a known standard deviation o, which of the following does NOT affect the width
of the confidence interval?
the sample standard deviation
the confidence level
O the sample size
the sample mean
Transcribed Image Text:31. In constructing a confidence interval based on a large sample to estimate the mean u of a population with a known standard deviation o, which of the following does NOT affect the width of the confidence interval? the sample standard deviation the confidence level O the sample size the sample mean
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