Question

31)If the standard
deviation of a data is 3.6
and each value of the data
is divided by 3. then find
the new variance and new
standard deviation ?​

Answer 1

If the standard deviation of a data is 3.6, and each of the data is divided by 3 then the new standard deviation is also divided by 3. ∴ The new standard deviation = 3.633.63 = 1.2 The new variance = (standard deviation)2 = σ2 = 1.22 1.44Read

Answer 2

Answer:

The new standard deviation = 3.6/3

=1.2

The new variance = ( standard deviation )^2

a^2= 1.2^2=1.44