11-06-17 Minitab Labs on Confidence Intervals: Z and T distributions Lab 2 -Mini

Question

11-06-17 Minitab Labs on Confidence Intervals: Z and T distributions Lab 2 -Minitab due Nov 21st by 3pm in mail box: Please refer to Pg 380 for reference Finding Population Mean with known that means we use distribution Compute a 95% and 90% confidence interval estimates of the pop mean Give a technical interpretation of the results of 95% C.1 Give a practical interpretation of the results of 90% C.1. All data display, stat info, and interpretations should be on the minitab display (session window) page itself. Hint: Data-Data Display, then File-Print session window will see all data on one page Modifications: 35 customers randomly select $85 to 200, not ranked, = 8.5

Explanation / Answer

Answer-

A. Technical interpretation would be going like- when we draw 100 random samples then on an average 95 samples would have the mean which would lie in this range or interval.

B. Practical interpertation would be - We are 90% confident that the true population mean would lie in this 90% confidence interval.

TY!

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