Calculate the sample variance, s2, of the set of numbers. 15,8,7 The formula for sample variance is Σ(Υ - Y) $2 n-1 wher

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Calculate the sample variance, s2, of the set of numbers. 15,8,7 The formula for sample variance is Σ(Υ - Y) $2 n-1 where Y represents each data value, 7 is the sample mean, and n is the sample size. The symbol E means sum up the values. The differences Y -Y are called deviations. Enter all eight responses as integers. Y = deviation of value 1 = square of the deviation of value 1 = deviation of value 2 = square of the deviation of value 2 = deviation of value 3 = square of the deviation of value 3 =