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14 Jan 2025, 09:54
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Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
(N/A)
Question Stats:
50% (00:51) correct
50% (00:06) wrong based on 2 sessions
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In which month was the electric energy cost per Fahrenheit degree (°F) of average temperature the least?
(A) April
(B) May
(C) October
(D) November
(E) December
Attachment:
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17 Jan 2025, 10:16
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OE
To minimize Electricity energy cost ($)/average temperature, minimize cost (light gray circular data points) while maximizing average temperature (black diamond data points). Only in April, May, October, and November is the black data point equal to or greater than the gray data point (i.e. Electricity energy cost ($)/average temperature, the ratio is equal to or less than 1). In April, October, and November, this ratio is close to 1. In May, the difference between the cost and the average temperature is greatest, so the electric energy cost per °F of average temperature is least. The correct answer is May.
To minimize Electricity energy cost ($)/average temperature, minimize cost (light gray circular data points) while maximizing average temperature (black diamond data points). Only in April, May, October, and November is the black data point equal to or greater than the gray data point (i.e. Electricity energy cost ($)/average temperature, the ratio is equal to or less than 1). In April, October, and November, this ratio is close to 1. In May, the difference between the cost and the average temperature is greatest, so the electric energy cost per °F of average temperature is least. The correct answer is May.
