Answer: Standard deviation
Explanation:
Standard deviation is expressing the quality of how much group members differ from mean value for the group.
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Answer:
Method is a particular form of procedure for accomplishing or approaching something, especially a systematic or established one.
way is a typical manner in which something happens or in which someone or something behaves.
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A Potlach is a ceremonial feast, common with the Northwest Native American tribes, wherein possessions were given away or destroyed by the wealthy tribespeople in a show of their opulence and wealth.
