Question

Question #98c00

Answer 1

`82.5 and 9.9`.

Explanation:

If the data are multiplied by a scalar k,

the mean is multiplied by k and the standard deviation is multiplied

by |k|.

For 10% increase in data, k = 110/100=1.1..

So, here, mean becomes 75 X 1.1 = 82.5 and standard deviation

becomes 9 X 1.1 = 9.9