Question: Compute a 95% confidence interval for the population mean, based on the sample numbers 21,28,33,34,25,26, and 135. Lower -15.449: Upper- 67.174 Lower-20.492; Upper -40.876 Lower-18.925;

Compute a 95% confidence interval for the population mean, based on the sample numbers 21,28,33,34,25,26, and 135.

Lower -15.449: Upper- 67.174

Lower-20.492; Upper -40.876

Lower-18.925; Upper-50.741

Lower-5.449;Upper-80.837

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