Chaoyun L. answered • 12/10/15
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Master of Math with concentration in Statistics
(6.9-8) / 0.5 = -2.2
so 2.2 standard deviations below the mean.
Caryn C.
asked • 12/10/15standard deviations
mean 8 and standard deviation 0.5
how many standard deviations 6.9 is below the mean
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