Question

Seems obtained the following scores (out of 100) on a set of spelling tests : 80,85,90,71,60,100.What is her mean score?

Answer 1

Answer:81

Step-by-step explanation:

Firstly we have to add all the no.

80+85+90+71+60+100=486

We have total sum=486

Now,total no. of terms=6

Mean =sum of all no./total no.

=486÷6

=81