# Week 10 Business Statistic Multiple Regression Analysis

Week 10 Business Statistic Multiple Regression Analysis

Multiple Regression Analysis

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.

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

Sheet1

Sales    Income            Year

0          -0.3      1995

0.02     -5.7      1996

0.15     -27.5    1997

0.61     -124.5  1998

1.64     -719.9  1999

2.76     -1411.2            2000

3.12     -567.3  2001

3.93     -149.1  2002

5.26     35.3     2003

6.92     588.5   2004

8.49     359      2005

10.71   190      2006

14.84   476      2007

19.17   645      2008

24.51   902      2009

34.2     1150    2010

48.08   631      2011

61.09   -39       2012

74.45   274      2013

88.99   -241     2014

107.01 596      2015

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