Question

what is the average of 3,7,11,15,19,23,27,31

Answer 1

numbers = 3,7,11,15,19,23,27,31
number of n =8
Total =3+7+11+15+19+23+27+31=136
average =136/8=17

Answer 2

Average of given numbers=sum of observations/no of observations
=3+7+11+15+19+23+27+31/8
136/8
=68/4
17