PLEASE ANSWER TO ITS ENTIRETY VERY DIRECT

Evans_2013_Ch5_OCR.pdf
Evans_2013_Ch6_OCR.pdf

Explain the difference between the null hypothesis and alternative hypothesis. Which one can be proven in a statistical sense?

How can you determine when to use a lower one‐tailed test of hypothesis versus an upper one‐tailed test?

Explain the purpose of the chi‐square test for independence. Provide some practical examples where this test might be used in business.

Explain the difference between simple and multiple linear regression.

Explain what the coefficient of determination, R^2 (R-squared), measures. How is it related to the sample correlation coefficient?

 
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