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10 kids in a class.the highest grade was 96.the median grade

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10 kids in a class.the highest grade was 96.the median grade [#permalink] New post 30 Jul 2003, 18:59
10 kids in a class.the highest grade was 96.the median grade was 86.if john scored 1.2sd below the median, what was his score.

Sanjay
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 [#permalink] New post 30 Jul 2003, 19:00
sd is standard deviation
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Re: SD [#permalink] New post 30 Jul 2003, 19:15
sanjaymishra wrote:
10 kids in a class.the highest grade was 96.the median grade was 86.if john scored 1.2sd below the median, what was his score.

Sanjay


IMO, this problem is not solvable with the infomation given. We need to be given the SD (ETS doesn't expect anyone to compute an SD, and there is not nearly enough information to compute it anyway).
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AkamaiBrah
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MFE, Haas School of Business, UC Berkeley, Class of 2005
MBA, Anderson School of Management, UCLA, Class of 1993

Re: SD   [#permalink] 30 Jul 2003, 19:15
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10 kids in a class.the highest grade was 96.the median grade

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