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Between 2004 and 2007, the number of robbery cases in Chef County

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Between 2004 and 2007, the number of robbery cases in Chef County [#permalink]

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New post 08 Feb 2018, 09:24
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Difficulty:

  95% (hard)

Question Stats:

39% (01:23) correct 61% (01:34) wrong based on 131 sessions

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Between 2004 and 2007, the number of robbery cases in Chef County reached an average of 3 reported robberies
per month! Immediate measures had to be taken and Sheriff Sandberg was brought on board in December 2007.
Since then, in the following three years, the average has lowered to just 1.2 reported robberies per month!
Clearly, the number of robbery cases in the town has significantly reduced because of the new Sheriff's approach.

The argument assumes which one of the following?

A. The figure representing robberies reported as a percentage of total robberies remained fairly constant from 2004 through 2011.
B. 1.2 robberies per month is the lowest figure reported since the year 2000.
C. The overall crime rate in the entire state did not go down drastically during 2008-11.
D. In June 2008, the definition of 'robbery' underwent a change in the police terminology because of which many cases which would have been entire termed as robberies were not termed so now.
E. The support staff to the Sheriff remained duCring the period 2004-2011

Source: Experts Global
[Reveal] Spoiler: OA

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Re: Between 2004 and 2007, the number of robbery cases in Chef County [#permalink]

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New post 08 Feb 2018, 10:10
pushpitkc wrote:
Between 2004 and 2007, the number of robbery cases in Chef County reached an average of 3 reported robberies
per month! Immediate measures had to be taken and Sheriff Sandberg was brought on board in December 2007.
Since then, in the following three years, the average has lowered to just 1.2 reported robberies per month!
Clearly, the number of robbery cases in the town has significantly reduced because of the new Sheriff's approach.

The argument assumes which one of the following?

A. The figure representing robberies reported as a percentage of total robberies remained fairly constant from 2004 through 2011.
B. 1.2 robberies per month is the lowest figure reported since the year 2000.
C. The overall crime rate in the entire state did not go down drastically during 2008-11.
D. In June 2008, the definition of 'robbery' underwent a change in the police terminology because of which many cases which would have been entire termed as robberies were not termed so now.
E. The support staff to the Sheriff remained duCring the period 2004-2011

Source: Experts Global


I go for C.

Upon negation: did go down drastically seems break the conclusion.This statement contradicts 1.2 per month after Sheriff's intervention. Drastically reduced means almost less i.e less than 1.2. Then this is the assumption.

Let me know if this is correct.
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Re: Between 2004 and 2007, the number of robbery cases in Chef County [#permalink]

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New post 08 Feb 2018, 10:31
msk0657 wrote:
pushpitkc wrote:
Between 2004 and 2007, the number of robbery cases in Chef County reached an average of 3 reported robberies
per month! Immediate measures had to be taken and Sheriff Sandberg was brought on board in December 2007.
Since then, in the following three years, the average has lowered to just 1.2 reported robberies per month!
Clearly, the number of robbery cases in the town has significantly reduced because of the new Sheriff's approach.

The argument assumes which one of the following?

A. The figure representing robberies reported as a percentage of total robberies remained fairly constant from 2004 through 2011.
B. 1.2 robberies per month is the lowest figure reported since the year 2000.
C. The overall crime rate in the entire state did not go down drastically during 2008-11.
D. In June 2008, the definition of 'robbery' underwent a change in the police terminology because of which many cases which would have been entire termed as robberies were not termed so now.
E. The support staff to the Sheriff remained duCring the period 2004-2011

Source: Experts Global


I go for C.

Upon negation: did go down drastically seems break the conclusion.This statement contradicts 1.2 per month after Sheriff's intervention. Drastically reduced means almost less i.e less than 1.2. Then this is the assumption.

Let me know if this is correct.

I will go with E ....

It shows that staff is same for the previous sheriff as well as for the new sheriff it means its only the appraoch of new sheriif and because of that only ...the crime rate came down...

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Between 2004 and 2007, the number of robbery cases in Chef County [#permalink]

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New post 10 Feb 2018, 06:22
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Between 2004 and 2007, the number of robbery cases in Chef County reached an average of 3 reported robberies
per month! Immediate measures had to be taken and Sheriff Sandberg was brought on board in December 2007.
Since then, in the following three years, the average has lowered to just 1.2 reported robberies per month!
Clearly, the number of robbery cases in the town has significantly reduced because of the new Sheriff's approach.

The argument assumes which one of the following?

A. The figure representing robberies reported as a percentage of total robberies remained fairly constant from 2004 through 2011.
Correct. This means that the number of robberies actually reduced. We can conclude this by using the information given in the passage. We know that in 2007 the reported robberies were 3. Let us assume that the actual robberies were 10. So the % of reported robberies w.r.t. actual robberies is 30%. Now we know that in 2010 the reported robberies were 1.2. So if the percentage remains same i.e. 30%, then it means that the actual robberies also reduced. This supports the conclusion, hence the assumption.

B. 1.2 robberies per month is the lowest figure reported since the year 2000.
It might be the lowest figures but this option doesn't state either that the actual robberies reduced or that the sheriff was responsible for the reduction.


C. The overall crime rate in the entire state did not go down drastically during 2008-11.
We are not worried about the overall crime rate. Argument is about the robberies.

D. In June 2008, the definition of 'robbery' underwent a change in the police terminology because of which many cases which would have been entire termed as robberies were not termed so now.
This would weaken the argument.

E. The support staff to the Sheriff remained duCring the period 2004-2011
Out of context
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Between 2004 and 2007, the number of robbery cases in Chef County   [#permalink] 10 Feb 2018, 06:22
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