The linear correlation coefficient measures the relationship between the paired values in a sample.

Sum up the values of the first column of data .

Simplify the expression.

Sum up the values of the second column of data .

Simplify the expression.

Sum up the values of .

Simplify the expression.

Sum up the values of .

Simplify the expression.

Sum up the values of .

Simplify the expression.

Fill in the computed values.

Simplify the expression.

Find the critical value for a confidence level of and degrees of freedom.

Determine if the Correlation is Significant table[[x,y],[1980,350.5],[1985,524],[1990,797.7],[1995,1010.4],[2000,1543.7],[2005,2200.1],[2006,2295.4],[2008,2535.6]]