Math, asked by vasuzz8838, 1 year ago

Formula for standard deviation in normal distribution

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Answered by QueenOfKnowledge

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Since the distribution has a mean of 0 and a standard deviation of 1, the Z column is equal to the number of standard deviations below (or above) the mean. For example, a Z of -2.5 represents a value 2.5 standard deviations below the mean. ... Note that the mean is set to 0 and the standard deviation is set to 1.

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