Data

Question 1

How do you calculate a mean ?

Answer 1

•Add up all of the numbers in the list
•After this, divide by how many number there are

Question 2

How do you calculate a range ?

Answer 2

•Work out the difference between the largest and smallest numbers
•Largest - smallest = range

Question 3

How do you work out a mode ?

Answer 3

•It it the most common number in a set

Question 4

How to you workout a median ?

Answer 4

•Order the numbers from smallest to largest
•Cross out one from each end of the number line until you are left with the middle number, this is the median

Question 5

If you are left with two numbers when working out a median, what must you do ?

Answer 5

•Add them together and divide by two