Question: Show mathematically that the two formulas for the sample variance are equivalent, i.e. start by algebraically expanding out the numerator of the formula on the

Show mathematically that the two formulas for the sample variance are equivalent, i.e. start by algebraically expanding out the numerator of the formula on the left and adjust the formula until you get the form of the equation on the right: [( ) 2 ] / 1 = ( 2 ) ( ) 2 / ( 1)

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