If standard deviation of 1,2,3,4….,10 is `sigma` then, show that standard deviation of 11, 12,…. , 20 is `sigma`

If standard deviation of 1,2,3,4,….,10 is sigma then standard deviation of 11, 12, …20 is

Standard deviation of 5,8,11,9,11 is

If the standard deviation of 0,1,2,3...9 is K , then the standard deviation of 10,11,12,13....19 is

The standard deviation of a, a+d, a + 2d,….a + 2nd is

Find the standard deviation of 8,11,14,17,20,23,26.

The standard deviation of data 6,5,9,13,12,8 and 10 is

The standard deviation of data 6,5,9,13,12,8 and 10 is

The standard deviation of data 6,5,9,13,12,8 and 10 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 7 scores 1,2,3,4,5,6,7 is