Question

Calculate the mean of each data set below. can you find any shortcuts that allow you to find the mean without having to d much calculation

a. 6, 10, 6,10
b. 11, 12, 12, 13, 12
c 0, 5, 4, 8, 0, 7

Answer 1

a: 20 + 12 = 32 and 32/4 = 8
b: 24 + 36 = 60 and 60/5 = 12
c: 12 + 12 = 24 and 24/6 = 4