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Approximately what was the average (arithmetic mean) electri
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10 Oct 2018, 19:09
10 Oct 2018, 19:09
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Question Stats:
86% (01:01) correct
13% (00:56) wrong based on 38 sessions
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Approximately what was the average (arithmetic mean) electric energy cost per month for the first half of the year?
(A) $45
(B) $50
(C) $60
(D) $70
(E) $75
Re: Approximately what was the average (arithmetic mean) electri
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18 Apr 2020, 23:04
18 Apr 2020, 23:04
sandy wrote:
Approximately what was the average (arithmetic mean) electric energy cost per month for the first half of the year?
(A) $45
(B) $50
(C) $60
(D) $70
(E) $75
Here,
the average (arithmetic mean) electric energy cost per month for the first half of the year = \(\frac{{ 70 + 65 + 55 + 47 + 47 + 70}}{6} = \frac{354}{6}\) = $59 = approx $60
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