Share £360 into the ratio 3:2:1

£180, £120 and £60.

Step-by-step explanation:

The number of parts = 3 + 2 + 1 = 6.

360 / 6 = 60, so the shares are:

3*60 = 180

2*60 = 120

1 * 60 = 60.

answer: .64

step-by-step explanation

set up the formula for standard deviation for this set of numbers, then simplify