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.