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10 questions from this quiz
x=xˉ+z×sx = \bar{x} + z \times sx=xˉ+z×s
Mean of the data set
373737
282828
Score is above the mean
Score is below the mean
Standard deviation
Actual score should be greater than mean
Using direct formula x=xˉ+z×sx = \bar{x} + z \times sx=xˉ+z×s
888888
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