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# Based on detailed research and analysis conducted over 20 years, stati

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Manager
Joined: 08 May 2015
Posts: 97
GMAT 1: 630 Q39 V38
GMAT 2: 670 Q44 V38
GMAT 3: 750 Q49 V44
Based on detailed research and analysis conducted over 20 years, stati  [#permalink]

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07 Nov 2015, 14:41
2
5
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Difficulty:

25% (medium)

Question Stats:

66% (00:44) correct 34% (00:57) wrong based on 276 sessions

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Based on detailed research and analysis conducted over 20 years, statisticians at NYU have come to the conclusion that there is no advantage to using financial advisors who pick individual stocks over simply investing in broad index funds.

A) Based on detailed research and analysis conducted over 20 years
B) With 20 years of detailed research and analysis conducted
C) Using detailed research and analysis conducted over 20 years
D) By the detailed research and analysis conducted over 20 years
E) Basing it on 20 years of detailed research and analysis
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Joined: 18 Sep 2014
Posts: 1113
Location: India
Re: Based on detailed research and analysis conducted over 20 years, stati  [#permalink]

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07 Nov 2015, 23:22
2
Statisticians cannot be based on something. They use research to reach the conclusion. Given sentence is incorrect.
none of the options except C can even appear correct.

with seems to indicate that research is already conducted and statisticians have come to a conclusion.
There appeared as if there is no seeming connection between the two statements. B is incorrect.

By the detailed research wrongly modifies the statisticians.
persons cannot be by the research.

E is completely wrong. the pronoun it although seems to refer conclusion, its usage here is ambiguous and also you cannot base a conclusion on duration of 20 years.
duration of research is also wrong usage.
Intern
Joined: 18 Jul 2015
Posts: 17
WE: Consulting (Consulting)
Based on detailed research and analysis conducted over 20 years, stati  [#permalink]

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16 Nov 2015, 10:26
Mechmeera wrote:
Statisticians cannot be based on something. They use research to reach the conclusion. Given sentence is incorrect.
none of the options except C can even appear correct.

with seems to indicate that research is already conducted and statisticians have come to a conclusion.
There appeared as if there is no seeming connection between the two statements. B is incorrect.

By the detailed research wrongly modifies the statisticians.
persons cannot be by the research.

E is completely wrong. the pronoun it although seems to refer conclusion, its usage here is ambiguous and also you cannot base a conclusion on duration of 20 years.
duration of research is also wrong usage.

Thanks Mechmeera
I have a query here. No doubt I have also ruled out B,D & E as they were completely wrong but got confused over A & C . I really don't see any change of meaning or grammatical mistake in A. A is wrong only because we are talking about statistician here or if we change it to scientists then what should be the answer?- "A".

Thanks a lot
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Kaushik

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Posts: 1113
Location: India
Re: Based on detailed research and analysis conducted over 20 years, stati  [#permalink]

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16 Nov 2015, 10:33
1
Kaushikghosh wrote:
Mechmeera wrote:
Statisticians cannot be based on something. They use research to reach the conclusion. Given sentence is incorrect.
none of the options except C can even appear correct.

with seems to indicate that research is already conducted and statisticians have come to a conclusion.
There appeared as if there is no seeming connection between the two statements. B is incorrect.

By the detailed research wrongly modifies the statisticians.
persons cannot be by the research.

E is completely wrong. the pronoun it although seems to refer conclusion, its usage here is ambiguous and also you cannot base a conclusion on duration of 20 years.
duration of research is also wrong usage.

Thanks Mechmeera
I have a query here. No doubt I have also ruled out B,D & E as they were completely wrong but got confused over A & C . I really don't see any change of meaning or grammatical mistake in A. A is wrong only because we are talking about statistician here or if we change it to scientists then what should be the answer?- "A".

Thanks a lot

The point behind A is
A human being can use the data but cannot be himself based on sth.
Whether the term to refer human is statisticians or scientists does not matter here. The result is same.
I hope this helps
Intern
Joined: 29 Sep 2014
Posts: 12
Location: United States
Schools: ISB '17 (A), IIMB (I)
GMAT 1: 650 Q49 V30
GMAT 2: 750 Q49 V42
GPA: 3.5
Re: Based on detailed research and analysis conducted over 20 years, stati  [#permalink]

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16 Nov 2015, 10:44
1
Here the phrase before the comma is modifying the noun following the comma. Thus, we cannot use 'based' since the statisticians or their existence is not "based" on anything. Rather, the statisticians are "using" some kind of analysis/data to arrive at a conclusion. Thus, clearly C is the correct answer.

This is a particular type of SC question and just while reading, I could predict what is being tested. So was able to arrive at the correct answer in about 10 sec. But of course, I'd strongly recommend that you read the complete statement and all answer choices carefully in the real exam. In fact, I did get one of this type in my actual GMAT - I was surely glad to see it
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WE: Consulting (Consulting)
Re: Based on detailed research and analysis conducted over 20 years, stati  [#permalink]

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16 Nov 2015, 12:03
Suzie wrote:
Here the phrase before the comma is modifying the noun following the comma. Thus, we cannot use 'based' since the statisticians or their existence is not "based" on anything. Rather, the statisticians are "using" some kind of analysis/data to arrive at a conclusion. Thus, clearly C is the correct answer.

This is a particular type of SC question and just while reading, I could predict what is being tested. So was able to arrive at the correct answer in about 10 sec. But of course, I'd strongly recommend that you read the complete statement and all answer choices carefully in the real exam. In fact, I did get one of this type in my actual GMAT - I was surely glad to see it

Thanks a lot suzie for your explanation!!
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Thanks & regards

Kaushik

Retired Moderator
Status: worked for Kaplan's associates, but now on my own, free and flying
Joined: 19 Feb 2007
Posts: 4619
Location: India
WE: Education (Education)
Re: Based on detailed research and analysis conducted over 20 years, stati  [#permalink]

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16 Nov 2015, 12:22
At least in the initial stages, one should go through the official guides. They can help us to understand basic concepts well. For example, see an OG question cited below.
based-on-accounts-of-various-ancient-writers-scholars-have-80746.html

Based on accounts of various ancient writers, scholars have painted a sketchy picture of the activities of an all-female cult that, perhaps as early as the sixth century B.C., worshipped a goddess known in Latin as Bona Dea, “the good goddess.”

(A) Based on accounts of various ancient writers
(B) Basing it on various ancient writers’ accounts
(C) With accounts of various ancient writers used for a basis
(D) By the accounts of various ancient writers they used
(E) Using accounts of various ancient writers

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Re: Based on detailed research and analysis conducted over 20 years, stati  [#permalink]

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19 Apr 2018, 07:23
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