A manufacturer constructs a 95 confidence interval for the


A manufacturer constructs a 95% confidence interval for the mean weight of the items he manufactures. His results need to be included in a report to his superiors, and the resulting interval is wider than he would like. In order to decrease the width of the interval the most, the manufacturer should take a new sample and?

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Basic Statistics: A manufacturer constructs a 95 confidence interval for the
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