Question

find the mean of the first five multiples of 3

Answer 1

first five multiple of 3 are 3 , 6, 9, 12 , 15

now,
mean = sum of numbers/ total members
=(3 +6 +9 +12 +15)/5
=45/5
=9

Answer 2

First five multiples of three are:
3,6,9,12,15.
Average = (3+6+9+12+15)/3 = 9.

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