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21 A meneger al e local bank analyzed the relationship between monthly salary y. in Sand length of service (x measured in months for 30 eiroloyees. She estimates the modet Salary = 2 + 1 Service + The following ANOVA table summarizes a portion of the regression results F 2.64 SCOGS Regression Residual Total 555,420 72,599 df 1 27 28 Coefficients 784.9 9.19 Sg 553,420 1,962,872 2,518,293 Standard Error 322.25 3.20 Intercept Service t-wear 2.11 2.87 p-value 0.02 0.01 How much of the veriation in Salary is unexplained by the sample regression equation? Multi Chaka o 77.94% 19 23 18.394