1.

Find the variance and standard deviation of the following data : (i) 6,7,10,12,13,4,8,12 (ii) 5,12,3,18,6,8,2,10 (iii) 350,361, 370, 373, 376, 379, 385, 387, 394, 395

Answer»


Answer :(i) VARIANCE = 9.25, S.D `= SQRT(9.25)`
(II) Variance = 24.25, S.D = 4.95
(iii) `sigma^(2) = 183.2, sigma = sqrt(183.2)`


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