=+Dependent variable is: Earnings R squared = 96.9% R squared (adjusted) = 94.6%

s = 2.365 with 17 - 8 = 9 degrees of freedom Variable Coeff SE(Coeff) t-ratio P-value Intercept 21.0000 2.090 10.0 60.0001 Day# -1.42857 0.1194 -12.0 60.0001 Friday 12.4286 2.179 5.70 0.0003 Saturday 12.5238 2.166 5.78 0.0003 Sunday 7.95238 2.160 3.68 0.0051 Monday -4.28571 2.392 -1.79 0.1068 Tuesday -2.35714 2.377 -0.992 0.3473 Wednesday -0.928571 2.368 -0.392 0.7041

b) Interpret the coefficient of Day#.