Median, Mode and Range

Maths

The mean of the set of numbers 3, 3, 3, 4, 5, 6 is...

The median of the set of numbers 3, 3, 3, 4, 5, 6 is...

The mode of the set of numbers 3, 3, 3, 4, 5, 6 is...

The range of the set of numbers 3, 3, 3, 4, 5, 6 is...

Here is a set of numbers: 4, 5, 2, 1, 8. Tick the CORRECT statements

The mean of these set of numbers 1, 2, 3, 6 is...

The number four is added to the set of numbers above. What happens to the mean?

In the first 6 tests he takes, Jake scores a mean of 60 marks. In the final 4 tests, he scores a mean of 70 marks. What is his overall mean?