Electric Usage Narrative
The power company claims the amount of electricity used by a house (y) depends on = square metres of heated space, = mean outside temperature, and = mean hours of sunlight per day. Partial statistical software output is given below.
Regression Analysis
The regression equation is = 357 + 0.808 - 16.6 + 40 S = 267.7 R-sq = 82.0% R-sq(adj) = 76.6%
Analysis of Variance
-Refer to Electric Usage Narrative. Carry out three separate tests with a significance level of 0.05 to decide if , , and are significant.

Question

Electric Usage Narrative
The power company claims the amount of electricity used by a house (y) depends on  = square metres of heated space,  = mean outside temperature, and  = mean hours of sunlight per day. Partial statistical software output is given below.
Regression Analysis
The regression equation is = 357 + 0.808  - 16.6  + 40   S = 267.7 R-sq = 82.0% R-sq(adj) = 76.6%
Analysis of Variance 
-Refer to Electric Usage Narrative. Carry out three separate tests with a significance level of 0.05 to decide if  ,  , and  are significant.

Quizplus · Accepted Answer

The Answer of Electric Usage Narrative
The power company claims the amount of electricity used by a house (y) depends on  = square metres of heated space,  = mean outside temperature, and  = mean hours of sunlight per day. Partial statistical software output is given below.
Regression Analysis
The regression equation is = 357 + 0.808  - 16.6  + 40   S = 267.7 R-sq = 82.0% R-sq(adj) = 76.6%
Analysis of Variance 
-Refer to Electric Usage Narrative. Carry out three separate tests with a significance level of 0.05 to decide if  ,  , and  are significant.

Electric Usage Narrative the Power Company Claims the Amount of Electricity Used by Electricity