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Convert the following test scores to z-scores and then decide which is the student’s best and worst area of performance

Convert the following test scores to z-scores and then decide which is the student’s best and worst area of performance.
a) Best:___________________________________ Worst:_____________________________
Test Score Mean Standard Deviation Z-Score
Oral
Interpretation 38, 40, 10, -.02
Persuasion 28, 20, 20,0.4
Theory Building 45, 30 ,20, .75
I have solved the z- scores but I am having a bit of difficulty understanding which the best or worst performance. This is a table and the score, mean, standard deviation, and z-score are given in that order by subject.
 

May 01 2020 View more View Less

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