How many standard deviations below the mean is 3 if it has z=-1.75?
A z score of -1.75 means that 3 is 1.75 below the mean. z = -1.75
For example, the z-score value corresponding to each of the following locations in a distribution.
Below the mean by 3 standard deviations. z = -3.00
Above the mean by 1/4 standard deviations. z = 0.25
Below the mean by 2.50 standard deviations. z = -2.50
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