Standard deviation of 27, 35, 40, 35, 36, 29 is

The standard deviation of 26, 27, 31, 32, 35 is

The standard deviation of 26, 27, 31, 32, 35 is

If the standard deviation of x_1, x_2,……x_n is 3.5, then the standard deviation of -2x_1, -3,-2x_2, -3, ……, -2x_n -3 is

The standard deviation of 3,7,11,15,19,23,27,31,35,39 is

Calculate the possible values of 'x' if standard deviation of the numbers 2, 3, 2x and 11 is 3.5.

If the standard deviation of the number 2, 3, a and 11 is 3.5, then which of the following is true?

Calculate the possible values of x, if the standard deviation of the numbers 2, 3, 2x and 11 is 3.5.