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Which of the following statements can be inferred from the d

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Which of the following statements can be inferred from the d [#permalink] New post 18 Mar 2018, 09:26
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Which of the following statements can be inferred from the data? I. The greatest increase in total yearly advertising revenue over any 10-year period shown was $27 million. II. In each of the 10-year periods shown in which yearly advertising revenue decreased, average daily circulation also decreased. III. From 1970 to 1980 the average number of pages per newspaper increased by 10.

(A) I only
(B) II only
(C) III only
(D) I and II
(E) II and III
[Reveal] Spoiler: OA

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Re: Which of the following statements can be inferred from the d [#permalink] New post 23 Mar 2018, 07:39
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For option I refer to the second chart.
We are interested in increase only. Increase in advertisement revenue has occurred in \(10\) year period from \(1940\) to \(1950\) and then from \(1950\) to \(1960\)
Among those two bars the difference between the revenue from \(1940\) to \(1950\) is \(18\) million
while the difference between the revenue from \(1950\) to \(1960\) is \(27\) million. Hence option I is correct

Now for Option II
Again refer to the second chart. Decreasing revenue has occurred from \(1960\) to \(1970\) and again from \(1970\) to \(1980\)
Now, see if there has been decrease in the same \(10\) year periods in avg circulation of newspaper by referring to the first chart and indeed it has decreased

Now for option III
Refer to the third chart. The avg pages from \(1970\) to \(1980\) has increased by \(4\) so this option is not correct
Hence option D
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Re: Which of the following statements can be inferred from the d [#permalink] New post 09 Sep 2018, 15:40
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Pretty straightforward:
I: 1940-1950 is 18mn; 1950-60 is 27mn. The remaining years is a decrease. So I is correct
II:From the graphs, it looks like average daily circulation and advertisement revenue correspond. Decrease in average daily circulation is for years 1970 and 1980 and average revenue decreased in 1970 and 1980 as well. So II is also correct
III. Read this carefully. It might seem like it is asking for percent increase. Avergae number of pages increased in 4. So III in incorrect.

Correct Answer is D- I and II
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Which of the following statements can be inferred from the d

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