Description
- Consider the data set website names Hw1_2020.xls or .csv. Answer the questions based on this data set:
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Plot the scatter plot and mention any possible violation of assumptions you see in this plot.
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Plot the residual versus predicted plot and the normal probability plots. What do you see?
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Do the correlation test for normality. For n>100, for alpha=.05, the critical value is: .987.
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Do the Brown Forsyth Test or the Breusch Pagan test (whichever you think is appropriate). Discuss results.
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Look at the Box-Cox transform to see what transformation if any is appropriate for the Y’s.
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What is the value of the Durbin Watson statistic?
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Give an example from your experience where you have faced multiple regression.
