8. (i) What are the mean, median, mode and range of these numbers? 2,3,3,4,2,1,2,7

(ii) Three different prime numbers have a mean of 10 and a median greater than 10.

What are the numbers?

(iii) Class A and Class B both took the same maths test. The mean of Class A was 50% and the mean of Class B was 80%.

Sophia said: “Everyone in Class B did better than everyone in Class A in the test.”

Do you agree? Explain your reasoning clearly.