#### If the mean deviation of the numbers 1, 1+d, ..., 1+100 d from their mean is 255, then a value of d is : Option 1) 10.1 Option 2) 20.2 Option 3) 10 Option 4) 5.05

As we learnt in

Mean Deviation -

If x1, x2, ...xn are n observations then the mean deviation from the point A is given by :

-

mean

Mean deviation

d=10.1

Option 1)

10.1

This is correct option

Option 2)

20.2

This is incorrect option

Option 3)

10

This is incorrect option

Option 4)

5.05

This is incorrect option