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by Marleah
(Mississippi)
If my mean is 25, the oldest age is 49 and the standard deviation is 5.9, how do you tell how many standard deviations 49 is away from the mean?
Answer:
The data point is x standard deviations away, where x=(data point - mean)/standard deviation
Here is the math:
(49-25)/5.9=4.07 standard deviations from the mean.
