167 Compute s 2 for data sets with the following characteristics n n a. ? = 246,...

167 Compute s² for data sets with the following characteristics

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n n a. ? = 246, x = 63, = 22 n == n n = 106, n = 25 6. ? = 666, n i=1 n c. x = 76, x; = 11, n = 7 i=1 i=1