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# What was the approximate average number of sales of fiction titles fro

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Joined: 02 Sep 2009
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What was the approximate average number of sales of fiction titles fro  [#permalink]

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28 May 2017, 07:19
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Difficulty:

25% (medium)

Question Stats:

78% (01:23) correct 22% (01:29) wrong based on 63 sessions

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What was the approximate average number of sales of fiction titles from 1984 to 1988?

(A) 15 thousand
(B) 30 thousand
(C) 40 thousand
(D) 48 thousand
(E) 60 thousand

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Re: What was the approximate average number of sales of fiction titles fro  [#permalink]

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29 May 2017, 08:08
Fiction sales 84 =30

Fiction sales 85 =10

Fiction sales 86 =52.......approximate

Fiction sales 87 =58........ approximate

Fiction sales 88 =95........ approximate

Mean = 245 / 5 = 59

59 is close to 58

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Re: What was the approximate average number of sales of fiction titles fro  [#permalink]

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29 May 2017, 09:12
Bunuel wrote:

What was the approximate average number of sales of fiction titles from 1984 to 1988?

(A) 15 thousand
(B) 30 thousand
(C) 40 thousand
(D) 48 thousand
(E) 60 thousand

$$Average = \frac{(30+12+52+52+95)}{5}$$

Or, $$Average = \frac{241}{5}$$

Or, $$Average = 48.20$$

Thus, the answer will be (D) 48

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Re: What was the approximate average number of sales of fiction titles fro  [#permalink]

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29 May 2017, 09:23
Year 1984 1985 1986 1987 1988
Sales 30K 10K 52K 52K 95

Average = $$\frac{Total Sum}{Number of items}$$
Sum = 30 + 10 + 52 + 52 + 95 = 239
Number = 5
Average = $$\frac{239}{5}$$ = 47.5 ~ 48K ans (D)
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Re: What was the approximate average number of sales of fiction titles fro  [#permalink]

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03 Oct 2017, 06:46
Mo2men wrote:
Fiction sales 84 =30

Fiction sales 85 =10

Fiction sales 86 =52.......approximate

Fiction sales 87 =58........ approximate

Fiction sales 88 =95........ approximate

Mean = 245 / 5 = 59

59 is close to 58

*Just need to fix this minor error-
245/5 is 49 not 59 . Hence the answer is D.
Re: What was the approximate average number of sales of fiction titles fro &nbs [#permalink] 03 Oct 2017, 06:46
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# What was the approximate average number of sales of fiction titles fro

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