40) 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
10 10 8 9
9 8 10 11
7 6 10 9
12 13 8 9
8 7 6 7
11 12 5 6
What percent of the variation is explained by the variable, number of rooms?
A. .901
B. .812
C. .451
D. .949
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RES 342 RES342 Final Exam
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