=+Dependent variable is: WM Rev R squared = 94.3% R squared (adjusted) = 91.6%

s = 1.121 with 39 - 13 = 26 degrees of freedom Variable Coeff SE(Coeff) t-ratio P-value Intercept 12.0322 0.6562 18.3 60.0001 Time 0.145241 0.0163 8.93 60.0001 Feb 1.46096 0.8599 1.70 0.1013 Mar 2.84671 0.8585 3.32 0.0027 Apr 1.67981 0.8574 1.96 0.0609 May 0.870232 0.8567 1.02 0.3191 Jun 4.99999 0.8562 5.84 60.0001 Jul 0.106417 0.8560 0.124 0.9020 Aug 0.434176 0.8562 0.507 0.6164 Sep 3.25327 0.8567 3.80 0.0008 Oct -0.219640 0.8574 -0.256 0.7998 Nov 1.87023 0.7932 2.36 0.0262 Dec 11.5625 0.7927 14.6 60.0001

b) Interpret the coefficient of Time.

c) Interpret the coefficient of Dec.