Respuesta :

Coefficient of sample = sample SD/mean * 100

So first to find Standard deviation(S)
S= sqrt(sum of (point - mean)^2)/(n-1)
S=6.7528
^use online calc

Next mean = sum of numbers divided by number of numbers
Mean = 31.6
^online calc again

So coefficient = (6.7528/31.6) * 100