Conduct hypothesis testing for the mean of two populations

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Please help to answer questions A-D in the attachment. For questions A and B, would you use the use the t-test two sample assuming equal variances function? If not, what would you use?

I'm not sure what the graphical method is to answer question C. What is it and how do you create it?

Please show your calculations in excel using any functions or formulas.

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https://brainmass.com/statistics/descriptive-statistics/conduct-hypothesis-testing-mean-two-populations-559050

Attachments

statistics.xlsx

Solution Summary

The solution gives detailed steps on performing a hypothesis testing for testing the mean of two populations using excel and also checking the validity of assumptions using graphic tool.

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