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[" Suppose a population "A" has "100],["...

[" Suppose a population "A" has "100],[" observations "101,102,-cdots,200" .And another "],[" population B has "100" ,observations "151,152,-],[-,250" .If "V_(A)" and "V_(B)" represent the variances of "],[" the two populations,respectively.Then "(V_(A))/(V_(B))=]

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