Star, Inc. used Excel to run a least-squares regression analysis, which resulted in the following output: Regression Statistics Multiple R R Square Observations 0.9755 0.9517 30 T Stat 2.84 12.55 P-Value 0.021 0.000 Coefficients Standard Error Intercept 175.003 61,603 Production ( 11.57 0.9213 How much of the variation in cost is not explained by production? O 2.45% O 7.87% O it is impossible to determine. 4.83%