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A car manufacturer, in an upgraded model of a car, introduced a new

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A car manufacturer, in an upgraded model of a car, introduced a new  [#permalink]

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New post 18 Jan 2018, 11:59
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A car manufacturer, in an upgraded model of a car, introduced a new gearbox technology which improved the fuel efficiency. However, when the new model was sold with the old model, it was found that customers preferred the old model. The manufacturer concluded that fuel efficiency was not a major concern for the customers.

Which one of the following, if true, would most seriously weaken the manufacturer's conclusion?

(A) In the cities where the old model was retired, the sale of the new model flourished.

(B) Since the old model has been around for years, it was easier for customers to trust the fuel efficiency of the car in the long run

(C) 70% of the cars bought in this specific period of observation were second cars in the households, and were primarily used for long distance travel.

(D) The new model had significant design changes and the customers found the old design better.

(E) The difference in the prices of the models was insignificant.

Source: Experts Global

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Re: A car manufacturer, in an upgraded model of a car, introduced a new  [#permalink]

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New post 18 Jan 2018, 13:05
Awaiting OA. My take is B.

A car manufacturer, in an upgraded model of a car, introduced a new gearbox technology which imrpoved the fuel efficiency. However, when the new model was sold with the old model, it was found that customers preferred the old model. The manufacturer concluded that fuel efficiency was not a major concern for the customers.

Which one of the following, if true, would most seriously weaken the manufacturer's conclusion?

A. In the cities where the old model was retired, the sale of the new model flourished. -We are worried about areas where both the models were on sale.
B. Since the old model has been around for years, it was easier for customers to trust the fuel efficiency of the car in the long run -Correct.This shows that fuel efficiency was a major concern for the buyers. It's just that the older model had reliable statistics.
C. 70% of the cars bought in this specific period of observation were second cars in the households, and were primarily used for long distance travel. -We don't know whether older car was more comfortable or had better mileage.
D. The new model had significant design changes and the customers found the old design better. -This strengthens the argument by giving an alternate cause.
E. The difference in the prices of the models was insignificant. -If the prices were insignificant then maybe the car manufacturer was correct in its thinking or maybe not. We don't know that conclusively.
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Re: A car manufacturer, in an upgraded model of a car, introduced a new  [#permalink]

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New post 18 Jan 2018, 20:04
Answer is:B

As it is the only thing that points towards fuel economy is still a concern for ppl

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Re: A car manufacturer, in an upgraded model of a car, introduced a new  [#permalink]

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New post 18 Jan 2018, 20:18
I also marked B as an answer as it weakens the conclusion in the true sense that fuel efficiency does make a difference for customers. Its just that they found the older model much more reliable.

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Re: A car manufacturer, in an upgraded model of a car, introduced a new  [#permalink]

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New post 19 Jan 2018, 01:09
pushpitkc wrote:
A car manufacturer, in an upgraded model of a car, introduced a new gearbox technology which imrpoved the fuel efficiency. However, when the new model was sold with the old model, it was found that customers preferred the old model. The manufacturer concluded that fuel efficiency was not a major concern for the customers.

Which one of the following, if true, would most seriously weaken the manufacturer's conclusion?

A. In the cities where the old model was retired, the sale of the new model flourished.
B. Since the old model has been around for years, it was easier for customers to trust the fuel efficiency of the car in the long run
C. 70% of the cars bought in this specific period of observation were second cars in the households, and were primarily used for long distance travel.
D. The new model had significant design changes and the customers found the old design better.
E. The difference in the prices of the models was insignificant.

Source: Experts Global


The answer is B.

Let's solve logically: the car manufacturer is assuming that because fuel efficiency and low sales are correlated, they must have a causal connection: efficiency causes lower sales. But remember - correlation can always indicate different causal relations - or no causality at all! Since we are looking to weaken the conclusion that people don't care about fuel efficiency, let's think about causal explanation that say they do: maybe people care about efficiency, but a third factor is the cause for the correlation: people just like something else about the old model - its design, its seats, the fact its been around for a while and is trusted - and don't want to switch. Skimming the answers, we see that is exactly what B tells us.

Solving by using the answers:

A. In the cities where the old model was retired, the sale of the new model flourished. That doesn't really tell us anything - sales went up when there was no other option...
B. Since the old model has been around for years, it was easier for customers to trust the fuel efficiency of the car in the long run so there is a different reason that the old model is preferred, even though people do care about fuel efficiency - exactly what we are looking for!
C. 70% of the cars bought in this specific period of observation were second cars in the households, and were primarily used for long distance travel. In long distance travel, a fuel efficient car has more of an advantage is more important - making this strengthen the conclusion that people didn't care about efficiency
D. The new model had significant design changes and the customers found the old design better. This is a different reason that the old car is preffered other than fuel efficiency - so it does weaken the conclusion. However, it do so less than (B), which also provides us with a reason to think people do care about fuel efficency
E. The difference in the prices of the models was insignificant. This strengthens the claim - it eliminates another potential reason that the old could be preffered
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Re: A car manufacturer, in an upgraded model of a car, introduced a new  [#permalink]

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New post 28 Jan 2018, 11:16
The OA is B.

Official explanation by Experts Global


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Re: A car manufacturer, in an upgraded model of a car, introduced a new &nbs [#permalink] 28 Jan 2018, 11:16
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