Interpreting standard deviation

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Reference no: EM1391249

Your workplace reduces all workplace scores on particular employee aptitude test in z-scores which are placed in district-wide distribution of scores. Last year, your newly hired employees ranged between -1 and +2 standard deviations, and this year's newly hired employees range between -2 and +3.

What do these numbers tell you about the group entering your workplace?

Reference no: EM1391249

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