The Ohio Electric Company is investigating electric consumption by single - 6644

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The Ohio Electric Company is investigating electric consumption by single family homes based on the number of rooms. The investigators wanted to determine the relationship between number of rooms and electric consumption in kilowatt-hours (thousands). A sample of 12 homes was selected and the data is as follows: 

Number of RoomsKilowatt-HoursNumber of RoomsKilowatt-Hours

101089

981011

76109

121389

8767

111256

 

 

What percent of the variation is explained by the variable, number of rooms?

 

A.   .901

 

B.   .812

 

C.   .451

 

D.   .949

Solution Description

The Ohio Electric Company is investigating electric consumption by single family homes based on the number of rooms. The investigators wanted to determine the relationship between number of rooms and electric consumption in kilowatt-hours (thousands). A sample of 12 homes was selected and the data is as follows:

 

Number of Rooms

Kilowatt-Hours

 

Number of Rooms

Kilowatt-Hours