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Let σ21 be the variance of the dataset {1,4,7,10,…,301} and σ22 be the variance of the dataset {7,13,19,25,…,607}. Then the value of σ22−σ21σ21 is

Answer» Let σ21 be the variance of the dataset {1,4,7,10,,301} and σ22 be the variance of the dataset {7,13,19,25,,607}. Then the value of σ22σ21σ21 is


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