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Radio Stations with radio data system (RDS) technolodgy broadcast spec

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Re: Radio Stations with radio data system (RDS) technolodgy broadcast spec  [#permalink]

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New post 05 Apr 2018, 01:04
prateek176 wrote:
VeritasPrepKarishma wrote:
perfectstranger1 wrote:
Dear Karishma ,

I will ask why D is wrong. D clearly states that if the owners have no way to get RDS information without RDS radios, then the conlusion is clear. What if there are other ways to obtain this information. I also choose A ,however I am little confused about that choice.



Gist of what D says: No RDS enabled radio meant no RDS program reception from later radio stations.
Conclusion of the argument: Number of people receiving RDS program did not increase significantly in 1996.

We have to consider whether D is an assumption. An assumption is a necessary missing premise. If the assumption is not true, the conclusion cannot be true. Let's negate the assumption. Then we will whether the conclusion can still hold.

Negated D: Even without RDS enabled radios, people could receive RDS programs from later radio stations.
Can the conclusion still hold true? Sure. If people can receive RDS programs without an RDS radio (e.g. at friends/neighbors etc) from later stations, these people could have received RDS programs in the same way before 1996 too. So number of people receiving RDS programs could have stayed the same. Since the conclusion can still hold even if D is negated, D is not an assumption.


VeritasPrepKarishma , mikemcgarry

Option D clearly means that we are negating the premise which i think isn't permissible in GMAT. Is my reasoning accurate?


Could you elaborate your reasoning? (D) does not negate any premise.
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Radio Stations with radio data system (RDS) technolodgy broadcast spec  [#permalink]

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New post 05 Apr 2018, 07:35
VeritasPrepKarishma wrote:
prateek176 wrote:
VeritasPrepKarishma wrote:

Gist of what D says: No RDS enabled radio meant no RDS program reception from later radio stations.
Conclusion of the argument: Number of people receiving RDS program did not increase significantly in 1996.

We have to consider whether D is an assumption. An assumption is a necessary missing premise. If the assumption is not true, the conclusion cannot be true. Let's negate the assumption. Then we will whether the conclusion can still hold.

Negated D: Even without RDS enabled radios, people could receive RDS programs from later radio stations.
Can the conclusion still hold true? Sure. If people can receive RDS programs without an RDS radio (e.g. at friends/neighbors etc) from later stations, these people could have received RDS programs in the same way before 1996 too. So number of people receiving RDS programs could have stayed the same. Since the conclusion can still hold even if D is negated, D is not an assumption.


VeritasPrepKarishma , mikemcgarry

Option D clearly means that we are negating the premise which i think isn't permissible in GMAT. Is my reasoning accurate?


Could you elaborate your reasoning? (D) does not negate any premise.


VeritasPrepKarishma

The argument has 3 premises:

Premises:
-Only radios with RDS feature can receive programs of Radio stations with RDS technology
-Between 1994 and 1996, the number of RDS radio stations in Verdland increased from 250 to 600.
- the number of RDS-equipped radios in Verdland was about the same in 1996 as in 1994

Option D is stating the obvious which is why i eliminated D. Sorry I phrased my question incorrectly.

But is this reasoning correct?
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Re: Radio Stations with radio data system (RDS) technolodgy broadcast spec  [#permalink]

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New post 06 Apr 2018, 04:36
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prateek176 wrote:
The argument has 3 premises:

Premises:
-Only radios with RDS feature can receive programs of Radio stations with RDS technology
-Between 1994 and 1996, the number of RDS radio stations in Verdland increased from 250 to 600.
- the number of RDS-equipped radios in Verdland was about the same in 1996 as in 1994

Option D is stating the obvious which is why i eliminated D. Sorry I phrased my question incorrectly.

But is this reasoning correct?


Option (D) is not stating the obvious. The first premise and option (D) are different.
The first premise says that only those radios that have RDS capability can receive this special programming.
Option (D) says that PEOPLE who did not own RDS equipped radios in 1996 could not receive the special programming from the new stations.
People could access special programming through other people's radios too. So (D) is not the same as the first premise.
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Re: Radio Stations with radio data system (RDS) technolodgy broadcast spec  [#permalink]

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New post 13 Oct 2018, 00:11
Can this become an assumption?

"Number of people receiving information per RDS radio did not increase significantly".

Also, in the reasoning given in A. what if RDS stations set up a new station outside but people did not own any RDS radio?

I am still confused. Please help.

Regards,
Ravi.
VeritasKarishma wrote:
piyushagarwal wrote:
I am not at all able to make out what A want to say.. :(


Since this questions seems to have confused people, let's try to break it down.

Radio stations with radio data system (RDS) technology broadcast special program information that only radios with an RDS feature can receive. Between 1994 and 1996, the number of RDS radio stations in Verdland increased from 250 to 600. However, since the number of RDS-equipped radios in Verdland was about the same in 1996 as in 1994, the number of Verlanders receiving the special program information probably did not increase significantly.

Which of the following is an assumption on which the argument depends?

a. Few if any of the RDS radio stations that began broadcasting in Verdland after 1994 broadcast to people with RDS-equipped radios living in areas not previously reached by RDS stations.
b. In 1996 most Verdlanders who lived within the listening area of an RDS station already had a radio equipped to receive RDS.
c. Equipping a radio station with RDS technology does not decrease the station's listening area.
d. In 1996 Verlanders who did not own radios equipped to receive RDS could not receive any programming from the RDS radio stations that began broadcasting in Verdland after 1994.
e. The RDS radio stations in Verdland in 1996 did not all offer the same type of programming.

Assumption question: Find the conclusion. Find out which answer option is essential for the condition to be true.

Premises:
-Only radios with RDS feature can receive programs of Radio stations with RDS technology
-Between 1994 and 1996, the number of RDS radio stations in Verdland increased from 250 to 600.
- the number of RDS-equipped radios in Verdland was about the same in 1996 as in 1994


Conclusion:the number of Verlanders receiving the special program information probably did not increase significantly.


Even though new RDS radio stations have been set up, since the number of radios with RDS feature is same in 1996 as in 1994, the author is concluding that the same number of people are receiving RDS programs.

a. Few if any of the RDS radio stations that began broadcasting in Verdland after 1994 broadcast to people with RDS-equipped radios living in areas not previously reached by RDS stations.

What if the new RDS radio stations were set in areas which did not receive RDS programs before.. (say, if that particular frequency was not available in remote areas but when new radio stations were set, these areas starting receiving RDS prgrams.) There might be people in these areas who already had RDS equipped radio. These people would have started receiving RDS programs (e.g. Initially FM had limited reach and though many radios had FM capability, they could not receive it. After FM became common, even though people didn't buy new radios, more people started receiving FM)
So for his conclusion to be true, the author is assuming that RDS radio stations that began after 1994 did not broadcast to people who were unreachable previously. Hence answer A.

None of the other choices qualify as an assumption.
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Re: Radio Stations with radio data system (RDS) technolodgy broadcast spec &nbs [#permalink] 13 Oct 2018, 00:11

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