Question

define standard deviations .​

Answer 1

Answer:

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In statistics, the standard deviation is a measure of the amount of variation or dispersion of a set of values. A low standard deviation indicates that the values tend to be close to the mean of the set, while a high standard deviation indicates that the values are spread out over a wider range.

Answer 2

Answer:

a quantity expressing by how much the members of a group differ from the mean value for the group.