A manufacturer has obtained the following sample results for the weight of 25 widgets: Sample Average Weight:...

Question

Question

A manufacturer has obtained the following sample results for the weight of 25 widgets: Sample Average Weight: 200 grams

Sample Standard Deviation: 5 grams

How many standard deviation units are required to construct a 95% confidence interval for the average weight of all such widgets?

Answer 1

Answer #1

Answer 2

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