# Marketing

Year; money spent on advertising; profit

2008 2 12

2009 5 20

2010 7 25

2011 11 26

2012 15 40

1. draw a scatter diagram depicting the data.

2. calculate the Pearson's correlation coefficient.

3. determine the linear regression equation.

2008 2 12

2009 5 20

2010 7 25

2011 11 26

2012 15 40

1. draw a scatter diagram depicting the data.

2. calculate the Pearson's correlation coefficient.

3. determine the linear regression equation.

### Correct answer:

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