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Statistics – Exercise 15.2 – Class XI

the mean and variance for the data 6, 7, 10, 12, 13, 4, 8, 12 Solution: Given data is 6, 7, 10, 12, 13, 4, 8, 12 xi (xi -  x) (xi -  x)2 6 -3 9 7 -2 4 10 -1 1 12 3 9 13 4 16 4 -5 25 8 -1 1… Continue reading Statistics – Exercise 15.2 – Class XI