Stat Inc. used Excel to run a least squares regression analysis, which resulted in the following output: 7. Regression Statistics Multiple R 0.9780 R Square 0.9542 Observations 30 Intercept Production (x) Coefficients Standard Error 174,805 61, 405 11.88 0.9213 T Stat 2.85 12.89 P-Value 0.021 0.000 How much of the variation in cost is not explained by production