Question

Find the arithmetic mean of first 9 whole numbers

Answer 1

Answer:

mean = 5

Step-by-step explanation:

First 9 whole numbers = 1,2,3,4,5,6,7,8,9

∑f=1+2+3+4+5+6+7+8+9 = 45

n(N)=9

now,

Arithmetic mean=∑f/N

=45/9

=5 answer.