Question: Someone has run a linear regression. Response variable is monthly electricity cost of a factory. Regression output is given below: Coefficients Standard Error t Stat

Someone has run a linear regression. Response variable is monthly electricity cost of a factory. Regression output is given below: Coefficients Standard Error t Stat P-value Intercept 14,039.2 12,680.3 1.11 0.300 Av. Temp F 92.8 28.4 3.27 0.011 Work Days 446.1 713.8 0.63 0.549 Tons Produced -27.0 108.9 -0.25 0.810 R2 0.67 Adjusted R2 0.54 Standard Error, se 1,644.26 F Statistic (p-value) 5.31, (0.026) Observations 12 Find the value in the output that answers the following question: The fraction (proportion) of the sample variability in monthly electricity cost explained by the sample regression equation

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