Description
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Part 1
Explain the importance of the correlationcoefficient in a multiple regression model. Support yourreasoning with an example
Part 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 19952015.
- 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.
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