[" 14.If the "SD" of "x" is "3" ,what us the variance of "(5-2x)" ? "],[[" (a) "36," (b) "6," (c) "1]]

If the S.D. of X is3, what is the variance of (5-2X)?

If variance of a random variable x is 23, then what is the variance of 2x+10:(a)56 (b) 33 (c) 46 (d) 92

If the SD of y_(1) , y_(2) , y_(3) … y_(n) is 6 , then variance of (y_(1) - 3) , (y_(2) - 3) , …, (y_(n) - 3) is "__________" .

If the variance of 1,2,3,4,5,….., x is 10, then the value of x is

If AM and coefficient of variation of x is 10 and 40 then what is the variance of (15-2x)

If the SD of x_(1) , x_(2) , x_(3) , …., x_(n) is 5 , then find SD of x_(1) + 5 , x_(2) + 5 , x_(3) + 5 , …, x_(n) + 5 .

The S.D. of 5 scores 1, 2, 3, 4, 5 is :