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# Two days before the Thanksgiving, Amazon announced huge discounts on

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Intern
Joined: 27 May 2018
Posts: 38
GMAT 1: 730 Q48 V42
Two days before the Thanksgiving, Amazon announced huge discounts on  [#permalink]

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Updated on: 20 Mar 2019, 21:20
1
00:00

Difficulty:

55% (hard)

Question Stats:

64% (01:53) correct 36% (01:52) wrong based on 103 sessions

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Two days before the Thanksgiving, Amazon announced huge discounts on many products sold on its platform for the purchases to be made on Thanksgiving. On that day, orders worth \$500mn were placed. Six days before Christmas, Amazon announced the same discounts on the same products sold on its platform for the purchases to be made on Christmas. On that day, orders worth \$2bn were placed. Clearly, the average buyer on Amazon needs more than three days to make a purchase decision.

Which of the following questions should be answered before accepting the argument above as valid?

A. What was the mean value of all purchases made on Thanksgiving

B. What was the mean value of all purchases made on Christmas

C. What percentage of the buyers received a bonus from their respective employers on Christmas

D. How does the sales volume of this Thanksgiving compare to the last year's

E. Both A and B

Originally posted by Thakurdas on 20 Mar 2019, 21:16.
Last edited by Bunuel on 20 Mar 2019, 21:20, edited 1 time in total.
Renamed the topic and edited the question.
Intern
Joined: 10 Jan 2019
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Location: India
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WE: Engineering (Computer Software)
Re: Two days before the Thanksgiving, Amazon announced huge discounts on  [#permalink]

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23 Mar 2019, 05:37
In my opinion, the answer is E.

If the statement 'the average buyer on Amazon needs more than three days to make a purchase decision.' has to be true, then we need to know the mean value of the purchase made on those two days.

Option D and E are introducing new information or non relevant information on table, so rejected.

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Re: Two days before the Thanksgiving, Amazon announced huge discounts on  [#permalink]

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23 Mar 2019, 08:44
I don't like this question. How does knowing the mean price of purchase determine that the average buyer needs more than 3 days to make purchase decisions.

The argument has an assumption both the festivals are equal in stature. My question would be to clarify this assumption. Only thing apart from the total sales values is the different festivals and that needs to be investigated to arrive at the conclusion that the author is gunning for.

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Re: Two days before the Thanksgiving, Amazon announced huge discounts on  [#permalink]

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24 Mar 2019, 00:21
hi Experts, please explain that how the mean values will help to answer the question?
Intern
Joined: 27 May 2018
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GMAT 1: 730 Q48 V42
Re: Two days before the Thanksgiving, Amazon announced huge discounts on  [#permalink]

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24 Mar 2019, 01:11
The only difference between the two cases described in the argument (sale volume reached on Thanksgiving and sale volume reached on Christmas) is that the customers had more time to think of what to buy or whether to buy at all in case of the Christmas sale. The argument maker has considered that to be the cause of difference in the sale volumes. Before accepting A sa the cause of B, we must check if B could have been caused by any other factor (say C). Options A and B both refer to a possible alternative cause. People make up their mid faster if the purchase value is lower. When the purchase value is lower, people may make the decision in a shorter time.
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Re: Two days before the Thanksgiving, Amazon announced huge discounts on  [#permalink]

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24 Mar 2019, 07:17
Can any of you please explain why option E is relevant, ie, why the mean value of purchases is important?

Why is option C incorrect? If a huge percentage of buyers received a bonus on Christmas, the increase in Christmas sales could be attributed to the anticipation of bonus and hence the argument that the average buyer needs more than 3 days could be invalidated.
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Joined: 27 May 2018
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GMAT 1: 730 Q48 V42
Re: Two days before the Thanksgiving, Amazon announced huge discounts on  [#permalink]

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24 Mar 2019, 08:29
To compare two situations, you need data on both. If Christmas bonus is the reason for greater sale, where does the argument say nobody got bonus of Thanksgiving?

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Re: Two days before the Thanksgiving, Amazon announced huge discounts on   [#permalink] 24 Mar 2019, 08:29
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