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# A government agency publishes ratings of airlines, ranking

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Manager
Joined: 16 Oct 2003
Posts: 122
Location: India
A government agency publishes ratings of airlines, ranking  [#permalink]

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30 Mar 2004, 10:02
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Difficulty:

35% (medium)

Question Stats:

71% (01:53) correct 29% (02:26) wrong based on 63 sessions

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A government agency publishes ratings of airlines, ranking highest the airlines that have the smallest proportion of late flights. The agency┬б┬пs purpose is to establish an objective measure of the relative efficiency of different airlines' personnel in meeting published flight schedules.

Which one of the following, if true, would tend to invalidate use of the ratings for the agency's purpose?

(A) Travelers sometimes have no choice of airlines for a given trip at a given time.

(B) Flights are often made late by bad weather conditions that affect some airlines more that others.

(C) The flight schedules of all airlines allow extra time for flights that go into or out of very busy airports.

(D) Airline personnel are aware that the government agency is monitoring all airline flights for lateness.

(E) Flights are defined as 'late' only if they arrive more that fifteen minutes past their scheduled arrival time, and a record is made of how much alter than fifteen minutes they are.
VP
Joined: 30 Oct 2003
Posts: 1406
Location: NewJersey USA
Re: A government agency publishes ratings of airlines, ranking  [#permalink]

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30 Mar 2004, 11:41
B looks fine to me.

The efficiency of personnel has no effect if the airline they operate is severly affected by the weather if those personnel are very efficient.
CEO
Joined: 15 Dec 2003
Posts: 3356
Re: A government agency publishes ratings of airlines, ranking  [#permalink]

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30 Mar 2004, 12:10
B also. To add to Anandnk, B says that bad weather conditions affect some airlines more that others, thus rendering unfair the judgement layed upon affected airlines; personel will not be the cause of the delay and the "relative efficiency of different airlines' personnel" will be invalidated
Manager
Joined: 16 Oct 2003
Posts: 122
Location: India
Re: A government agency publishes ratings of airlines, ranking  [#permalink]

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30 Mar 2004, 12:22
In that case, would choice validate the argument?
CEO
Joined: 15 Dec 2003
Posts: 3356
Re: A government agency publishes ratings of airlines, ranking  [#permalink]

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30 Mar 2004, 12:36
aspire wrote:
In that case, would choice validate the argument?

I think there is a typo or an omission in your question
VP
Joined: 30 Oct 2003
Posts: 1406
Location: NewJersey USA
Re: A government agency publishes ratings of airlines, ranking  [#permalink]

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30 Mar 2004, 12:49
The use of ratings is not for the public but for the agency's use. So what people choose has no bearing on the ratings unless more information about size of the airlines is given.
Intern
Joined: 22 Aug 2015
Posts: 7
Re: A government agency publishes ratings of airlines, ranking  [#permalink]

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15 Apr 2016, 03:19
B looks good to me, too. I will go with B
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Re: A government agency publishes ratings of airlines, ranking  [#permalink]

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26 Nov 2019, 11:50
OA added and bumping for further discussion
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Manager
Joined: 31 Jan 2019
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Re: A government agency publishes ratings of airlines, ranking  [#permalink]

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01 Dec 2019, 02:39
OA added and bumping for further discussion

Pre-thinking:

The argument talks about an agency that wants to evaluate the relative efficiency of the personnel in relation to its ability to meet the flight schedule.
Ratings are used but the question stem asks us to find a reason why such ratings would be quite useless to make the assessment.

Option B clearly states that there are some factors such as bad weather that affect the airline companies in different ways and that are out of the scope of the personnel. If that's the case ratings would be quite inaccurate for an objective evaluation of all the companies.

The other options are quite irrelevant.
Re: A government agency publishes ratings of airlines, ranking   [#permalink] 01 Dec 2019, 02:39
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