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# Researchers recently asked dozens of shoppers, chosen at

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Manager
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26 Dec 2011, 11:23
assumption is used
but still A
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18 Jan 2012, 05:10
1
KUDOS
Following link explains it clearly. More importantly, it asserts the need to have 'common sense'. Check it out:
http://www.manhattangmat.com/forums/res ... 10758.html
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-Aravind Chembeti

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25 Jan 2012, 09:03
A
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25 Jan 2012, 16:33
The contention is between only A and B .
B can be eliminated because it says the addidition of 20 items (20 is completely irrelevant and use to confuse the reader ) results in lower prices (sorry for the passive voice )but the fact is that the comparison is made only ater the addidition of some items ,the number does not matter .
A is completely logical !!
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+1 if you like my explanation .Thanks

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27 Jan 2012, 16:19
I'll go with A
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09 Jun 2014, 22:48
The prices of the very same items at the nearest ShopperKing supermarket were totaled and compared with the FoodBasket total.

Now option A says that "... low prices offered on the items that they purchase most often"
suppose there are 4 such items.. with my argument i can conseider tht those 4 items in Sking also cost same. If low here, then low there and vice versa

A can be the answer only by POE not logic, if I follow each statement of argument. Pls explain the ambiguity
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16 Aug 2015, 11:54
Hello from the GMAT Club VerbalBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

Want to see all other topics I dig out? Follow me (click follow button on profile). You will receive a summary of all topics I bump in your profile area as well as via email.
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24 Aug 2015, 19:34
Researchers recently asked dozens of shoppers, chosen at random coming out of a FoodBasket supermarket, what they had purchased. The prices of the very same items at the nearest ShopperKing supermarket were totaled and compared with the FoodBasket total. The ShopperKing totals averaged five percent higher than the FoodBasket totals. Nevertheless, this result does not necessarily show that shoppers at ShopperKing would save money overall by shopping at FoodBasket instead, since ______.

Premise :
1. For set of Items, Prices at shopper King (5% higher) > Prices at Food basket.

Conclusion:
Shoppers at ShopperKing would not save money overall by shopping at FoodBasket.

Pre- thinking :
what can make this contradictory situation come true ? First thing that comes to my mind is what if the survey is not proper.
Say person X bought , Item A at 100 from food basket and same item A is 105 in shopper king. this "SAMPLE" does not prove that shopper king is overall costly, item A might be outlier etc.

POE

A. shoppers who shop regularly at a given supermarket generally choose that store for the low prices offered on the items that they purchase most often
This is inline with prethinking, If this is true then the survey is not valid. (if you take same survey outside of Shopperking you will get inverse result) Hence conclusion based on survey is not valid - Correct

B. for shoppers with more than 20 items, the ShopperKing totals averaged more than five percent higher than the FoodBasket totals
This is already stated in the argument, it is just a restatement of the premise. - incorrect

C. many shoppers consider factors other than price in choosing the supermarket at which they shop most regularly
there might be countless other factors, based on which customer choose the shop. But we should focus on only factor that is price. - Out of scope - Incorrect

D. there is little variation from month to month in the overall quantity of purchases made at supermarkets by a given shopper
(Same as C) Quantity is not discussed, we are concerned about the price - Out of scope - incorrect

E. none of the people who conducted the research were employees of the FoodBasket supermarket
(Strong and attractive option)- Argument has not mentioned how shop differentiated price for employees and general customer. So based on this, we will not be able to raise question on conclusion. We need something extra say "Shops gives 20% discount for employees" , to raise the questions on conclusion.
Incorrect.
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24 Aug 2015, 19:35
Researchers recently asked dozens of shoppers, chosen at random coming out of a FoodBasket supermarket, what they had purchased. The prices of the very same items at the nearest ShopperKing supermarket were totaled and compared with the FoodBasket total. The ShopperKing totals averaged five percent higher than the FoodBasket totals. Nevertheless, this result does not necessarily show that shoppers at ShopperKing would save money overall by shopping at FoodBasket instead, since ______.

Premise :
1. For set of Items, Prices at shopper King (5% higher) > Prices at Food basket.

Conclusion:
Shoppers at ShopperKing would not save money overall by shopping at FoodBasket.

Pre- thinking :
what can make this contradictory situation come true ? First thing that comes to my mind is what if the survey is not proper.
Say person X bought , Item A at 100 from food basket and same item A is 105 in shopper king. this "SAMPLE" does not prove that shopper king is overall costly, item A might be outlier etc.

POE

A. shoppers who shop regularly at a given supermarket generally choose that store for the low prices offered on the items that they purchase most often
This is inline with prethinking, If this is true then the survey is not valid. (if you take same survey outside of Shopperking you will get inverse result) Hence conclusion based on survey is not valid - Correct

B. for shoppers with more than 20 items, the ShopperKing totals averaged more than five percent higher than the FoodBasket totals
This is already stated in the argument, it is just a restatement of the premise. - incorrect

C. many shoppers consider factors other than price in choosing the supermarket at which they shop most regularly
there might be countless other factors, based on which customer choose the shop. But we should focus on only factor that is price. - Out of scope - Incorrect

D. there is little variation from month to month in the overall quantity of purchases made at supermarkets by a given shopper
(Same as C) Quantity is not discussed, we are concerned about the price - Out of scope - incorrect

E. none of the people who conducted the research were employees of the FoodBasket supermarket
(Strong and attractive option)- Argument has not mentioned how shop differentiated price for employees and general customer. So based on this, we will not be able to raise question on conclusion. We need something extra say "Shops gives 20% discount for employees" , to raise the questions on conclusion.
Incorrect.
Joined: 24 Oct 2012
Posts: 198
Followers: 6

Kudos [?]: 94 [0], given: 45

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12 Sep 2015, 20:30
Researchers recently asked dozens of shoppers, chosen at random coming out of a FoodBasket supermarket, what they had purchased. The prices of the very same items at the nearest ShopperKing supermarket were totaled and compared with the FoodBasket total. The ShopperKing totals averaged five percent higher than the FoodBasket totals. Nevertheless, this result does not necessarily show that shoppers at ShopperKing would save money overall by shopping at FoodBasket instead, since ______.

Premise :
1. For set of Items, Prices at shopper King (5% higher) > Prices at Food basket.

Conclusion:
Shoppers at ShopperKing would not save money overall by shopping at FoodBasket.

Pre- thinking :
what can make this contradictory situation come true ? First thing that comes to my mind is what if the survey is not proper.
Say person X bought , Item A at 100 from food basket and same item A is 105 in shopper king. this "SAMPLE" does not prove that shopper king is overall costly, item A might be outlier etc.

POE

A. shoppers who shop regularly at a given supermarket generally choose that store for the low prices offered on the items that they purchase most often
This is inline with prethinking, If this is true then the survey is not valid. (if you take same survey outside of Shopperking you will get inverse result) Hence conclusion based on survey is not valid - Correct

B. for shoppers with more than 20 items, the ShopperKing totals averaged more than five percent higher than the FoodBasket totals
This is already stated in the argument, it is just a restatement of the premise. - incorrect

C. many shoppers consider factors other than price in choosing the supermarket at which they shop most regularly
there might be countless other factors, based on which customer choose the shop. But we should focus on only factor that is price. - Out of scope - Incorrect

D. there is little variation from month to month in the overall quantity of purchases made at supermarkets by a given shopper
(Same as C) Quantity is not discussed, we are concerned about the price - Out of scope - incorrect

E. none of the people who conducted the research were employees of the FoodBasket supermarket
(Strong and attractive option)- Argument has not mentioned how shop differentiated price for employees and general customer. So based on this, we will not be able to raise question on conclusion. We need something extra say "Shops gives 20% discount for employees" , to raise the questions on conclusion.
Incorrect.
Re: Researchers recently asked dozens of shoppers, chosen at   [#permalink] 12 Sep 2015, 20:30

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