Partial regression results from a sample of 20 observations are shown below.

a. Fill in the missing values indicated by ()*.

Based on the printout,
b. What % of the variation in the sample y values can be explained by the x to y relationship represented by the estimated regression line?
c. Is the coefficient for the variable x (b = 6.55) statistically significant at the 1% significance level? Explain.

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Regression Statistics Multiple R R2 Standard Error Observations 51 20 ANOVA df Regression Error (Residual) Total 18 19 1065114.2 Coeff 158.14 6.55 Std Error 114.83 2.61 t Stat Intercept 1.377