document.write( "Question 1075236: At one university, the students are given z-scores at the end of the semester rather than the traditional GPA's. A student who received a Z score of 2.0 actually had a GPA score of 3.7. Given the standard deviation of all GPA's was 0.5, what was the mean GPA? \n" ); document.write( "
Algebra.Com's Answer #689924 by Boreal(15235)\"\" \"About 
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z score of 2 means (x-mean)/sd=2
\n" ); document.write( "(3.7-mean)=2*sd=1
\n" ); document.write( "so 3.7-mean=1
\n" ); document.write( "The mean is GPA score of 2.7
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