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Unformatted text preview: where is an average of x and y. we get that r=0.30722002. Determination coefficient is equal to =0.09438414 We check the hypothesis that a=0. Firstly we calculate the regression coefficients. We get that a=25.641, b=67.1794. Then we calculate the value of statistics , where . If our hypothesis is true then t has Student distribution with N2=10 degrees of freedom. We get t=1.021 which does not exceed the critical value of 2.633769. So the hypothesis is not rejected and we conclude that there is no positive association between the size of the home and the selling price....
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 Spring '10
 BARCUS
 Statistics, Regression Analysis, Correlation and dependence, weak positive correlation, Jamie Gossett

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