Math, asked by eaku13651, 10 hours ago

What does a 2.5 standard deviation mean?

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Answered by mnazirul243

Answer:

A normal distribution with a mean of 0 and a standard deviation of 1 is called a standard normal distribution. ... For example, a Z of -2.5 represents a value 2.5 standard deviations below the mean. The area below Z is 0.0062.

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