. Part 1 Explain the importance of the correlation coefficient in a multiple re

. Part 1 Explain the importance of the correlation
coefficient in a multiple regression model. Support your
reasoning with an examplePart 2 Amazon.com has become one of the most successful online merchants. Two measures of its success are sales and net income/loss figures. The data can be found in the file, Amazon. ( pictured at bottom)Use Excel to complete the following:Construct a scatter plot for Amazon’s net income/loss and sales figures for the period 1995–2015.
Determine a polynomial model, including its order (or degree), for Amazon’s net income/loss and sales figures.
Use Word to complete the following:Explain your process of determining the polynomial model
Submit your work in a Word document and attach your Excel file.
Requirements: complete answer for part 1 &2

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