Answer:
The average score is equal to 88.5
Step-by-step explanation:
we know that
An average test score is the sum of all the scores on an assessment divided by the number of test-takers.
so
The sum is equal to
[tex]Sum=[79+80+92+92+81+100+88+98+71+100+91+90]=1,062[/tex]
The number of test-takers is n=12
The average score is equal to
[tex]\frac{S}{n}[/tex]
substitute
[tex]\frac{1,062}{12}=88.5[/tex]
