SOLUTION: For a normal distribution with mean of 100 and a standard deviation of 12, find the number of standard deviations the raw score 76 is from the mean (Give answer as a positive value

Question 1028276: For a normal distribution with mean of 100 and a standard deviation of 12, find the number of standard deviations the raw score 76 is from the mean (Give answer as a positive value rounded to nearest hundredth).
Answer by rothauserc(4718) (Show Source): You can put this solution on YOUR website!
we use the z-score calculation
:
z-score = (X - mean) / std. dev.
:
z-score = (76 - 100) / 12 = -2
:
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76 is 2.00 standard deviations from the mean
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