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Re: For how many of the years shown did the ratings for Program [#permalink]
1
Carcass wrote:
Question one is correct as it is written.

Regards


Ok, then Q1 is solved by just counting the number of increasing segments between two consecutive years: 1980-81, 1981-82, 1982-83, 1983-84. Then the answer is 4, i.e. choice C
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Re: For how many of the years shown did the ratings for Program [#permalink]
Hi, for Q.3, on actual test, will it be still marked correct if we put 19.2 instead of 19.23, because they haven't specified accuracy to what decimal here?
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Re: For how many of the years shown did the ratings for Program [#permalink]
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Yes you can. Doen not change.

However, an official question clear the way from this doubts.

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Re: For how many of the years shown did the ratings for Program [#permalink]
Whhy is the denominator not 3.1 instead of 2.6 ?
IlCreatore wrote:
Q1: there is a typo in the question since it uses y twice

Q2: in 1983, there were 95*0.8 = 76 million TV and those watching program y where 0.13*76 = 9.88, rounded to 10. Answer E

Q3: the percent variation between program x and y in 1983 is computed as \(\frac{0.155*20-0.13*20}{0.13*20}*100 = 19.23%\)
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Re: For how many of the years shown did the ratings for Program [#permalink]
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Sorry sir sayan640

where do you see that matched value ?
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