Std Deviation Normal Distribution. Most values cluster around a central region with values tapering off as they go further away from the center. 2 5 20g 50g.
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It shows how much variation or dispersion there is from the average mean or expected value. Standard deviation is a useful measure of spread for normal distributions. In normal distributions data is symmetrically distributed with no skew.
It shows you the percent of population.
It shows how much variation or dispersion there is from the average mean or expected value. The standard normal distribution also called the z distribution is a special normal distribution where the mean is 0 and the standard deviation is 1. It shows you the percent of population. Or we can keep the same mean of 1010g but then we need 2 5 standard deviations to be equal to 10g.
