document.write( "Question 1209043: Dave's GRE average score is 600 with standard deviation of 120 points. What is the standard score for a person who scores 730? Rita's GRE average score is 450 with standard deviation of 130 points. What is the standard score for a person who scores 720? Who did better on the GRE in terms of the mean? \n" ); document.write( "
Algebra.Com's Answer #847616 by ikleyn(52786)\"\" \"About 
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\n" ); document.write( "(a) Dave's GRE average score is 600 with standard deviation of 120 points.
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\n" ); document.write( "(c) Who did better on the GRE in terms of the mean?
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document.write( "     Part (a)\r\n" );
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document.write( "standard score = \"%28observation+-+mean%29%2FSD\" = \"%28730-600%29%2F120\" = \"130%2F120\" = \"13%2F12\" = 1\"1%2F12\" = 1.0833  (rounded).   ANSWER\r\n" );
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document.write( "Part (a) is completed.\r\n" );
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document.write( "     Part (b)\r\n" );
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document.write( "standard score = \"%28observation+-+mean%29%2FSD\" = \"%28720-450%29%2F130\" = \"270%2F130\" = \"27%2F13\" = 2\"1%2F13\" = 2.0769  (rounded).   ANSWER\r\n" );
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document.write( "Part (b) is completed.\r\n" );
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document.write( "     Part (c)\r\n" );
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document.write( "In part (c) the question is posed in wrong way.\r\n" );
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document.write( "The correct question should ask \"Who did better on the GRE in terms of standard scores ?\"\r\n" );
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document.write( "The person who has higher standard scores did better.\r\n" );
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document.write( "So, the person of part (b) did better than the person of part (a).    ANSWER\r\n" );
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\n" ); document.write( "\n" ); document.write( "Solved. All parts are answered.\r
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