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Pls help me

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by tracyyahoo » Thu Oct 06, 2011 5:50 pm
(1)Linda purchased 3 books at a book fair. What was the median price of the 3 books?
(1) The average (arithmetic mean) price of the 3 books was $1.5
(2) The price of one of the 4 books was $1.5


I chose B because 1.5 will always be the median no matter what
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by smackmartine » Thu Oct 06, 2011 5:56 pm
Are you sure about

(2) The price of one of the 4 ??? books was $1.5
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by hoji » Thu Oct 06, 2011 7:50 pm
tracyyahoo wrote:(1)Linda purchased 3 books at a book fair. What was the median price of the 3 books?
(1) The average (arithmetic mean) price of the 3 books was $1.5
(2) The price of one of the 4 books was $1.5


I chose B because 1.5 will always be the median no matter what
IMO E. From stat 1, sum of the 3 books is 4,5 nothing helps
stat 2 is irrelevant, it say 4 books, which 4 books?
together nothing helps.
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by mukgera » Thu Oct 06, 2011 10:48 pm
tracyyahoo wrote:(1)Linda purchased 3 books at a book fair. What was the median price of the 3 books?
(1) The average (arithmetic mean) price of the 3 books was $1.5
(2) The price of one of the 4 books was $1.5


I chose B because 1.5 will always be the median no matter what

If the statement in red is written by mistake and it had been "One of the 3 books" then the answer would be C.

(1) The average (arithmetic mean) price of the 3 books was $1.5 -- Couldn't tell the median
(2) The price of one of the 3 books was $1.5 -- Couldn't tell the median

Combining the two -- we get to know the prices of the three books has to be

Book1 + 1.5 + Book3 = 1.5 * 3 = 4.5
where Book1 < 1.5 < Book3
So the median is $1.5

Hopes this clear the picture a little.

Regards
Mukesh
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by tracyyahoo » Sat Oct 08, 2011 11:16 pm
No, No, I am posting wrong/


(2) The price of one of the 3 books was 1.5.

not 4 books I'm posting wrong. I think answer should be B..





mukgera wrote:
tracyyahoo wrote:(1)Linda purchased 3 books at a book fair. What was the median price of the 3 books?
(1) The average (arithmetic mean) price of the 3 books was $1.5
(2) The price of one of the 4 books was $1.5


I chose B because 1.5 will always be the median no matter what

If the statement in red is written by mistake and it had been "One of the 3 books" then the answer would be C.

(1) The average (arithmetic mean) price of the 3 books was $1.5 -- Couldn't tell the median
(2) The price of one of the 3 books was $1.5 -- Couldn't tell the median

Combining the two -- we get to know the prices of the three books has to be

Book1 + 1.5 + Book3 = 1.5 * 3 = 4.5
where Book1 < 1.5 < Book3
So the median is $1.5

Hopes this clear the picture a little.

Regards
Mukesh
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