Statistical XY file

Year; money spent on advertising; profit (three values each row)

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:

P =  0.9627
c = 1.9327x+9.1385

Step-by-step explanation:

y = f(x) = Ax + B  c=1.9327x+9.1385

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