A sample of 15 measurements of the breaking strengths of cotton threads gave a mean of 7.3 oz and a standard deviation of 2.82

Question

A sample of 15 measurements of the breaking strengths of cotton threads gave a mean of 7.3 oz and a standard deviation of 2.82 oz. Find an upper bound 95% confidence limits for the actual mean breaking strength.

Kunduz · Accepted Answer

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