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Canadian mining company Bre-X

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Joined: 07 Oct 2013
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GMAT 1: 770 Q50 V47
Canadian mining company Bre-X  [#permalink]

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New post Updated on: 08 Jan 2018, 17:52
Aussy2000 wrote:
jps245 wrote:
Hi chesstitans

If there was a possibility that gold was added to the samples before the 1992 test (meaning that the samples didn't contain gold naturally, that someone added gold to them), then there is another possible explanation for the difference in measurements between 1992 and 1997.

Since this gives another possible explanation for the result, you can't conclude from this that the method MUST have been inaccurate. In the case in which someone added gold to the sample for the 1992 test, the method could have still been accurate (if someone added gold, then the soil actually did contain that much gold and was measured correctly).

Therefore, to conclude that the method must have been inaccurate, you have to assume that no one added gold to the sample for the 1992 test. Or else, there could have been another cause for the difference.

Hope this helps

So I guess C is the answer?

Sent from my SM-N910C using GMAT Club Forum mobile app

Originally posted by jps245 on 08 Jan 2018, 17:45.
Last edited by jps245 on 08 Jan 2018, 17:52, edited 1 time in total.
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Re: Canadian mining company Bre-X  [#permalink]

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New post 09 Jan 2018, 00:03
Aussy2000 wrote:
jps245 wrote:
Hi chesstitans

If there was a possibility that gold was added to the samples before the 1992 test (meaning that the samples didn't contain gold naturally, that someone added gold to them), then there is another possible explanation for the difference in measurements between 1992 and 1997.

Since this gives another possible explanation for the result, you can't conclude from this that the method MUST have been inaccurate. In the case in which someone added gold to the sample for the 1992 test, the method could have still been accurate (if someone added gold, then the soil actually did contain that much gold and was measured correctly).

Therefore, to conclude that the method must have been inaccurate, you have to assume that no one added gold to the sample for the 1992 test. Or else, there could have been another cause for the difference.

Hope this helps

So I guess C is the answer?

Sent from my SM-N910C using GMAT Club Forum mobile app


it is E. He did include the answer in his previous post.
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Joined: 12 Dec 2016
Posts: 1710
Location: United States
GMAT 1: 700 Q49 V33
GPA: 3.64
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Re: Canadian mining company Bre-X  [#permalink]

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New post 09 Jan 2018, 03:27
[quote="nikunjbali21"]E

Sent from my Redmi Note 4 using GMAT Club Forum mobile app[/quote

it seems you are a new member, so you should not forget to time your practice. Doing so will help you much.
GMAT Club Bot
Re: Canadian mining company Bre-X &nbs [#permalink] 09 Jan 2018, 03:27

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