Question

20, 13, 13, 6,3, 12,7,20,20Range: 20-3Mean:V

Answer 1

first , sum all the values:

20+13+13+6+3+12+7+20+20 = 114

Then divide the result by the number of values:

there are 9 values:

So:

114/9 = 12.67

Mean =12.67y