Question

The tables shows the number of each sold one weekend.

Price of gift voucher Number of vouchers sold
£5 34
£10 26
£20 9
£50 7
£100 4
The shopkeeper states "on average, people spend at least £15 on a gift voucher"

Calculate all three averages (mode, median, mean) of the data abo

Answer 1

mode=£5

median=£20

mean=£16

Explanation:

mode is the most frequent. In this case the ticket bought which is £5

median is the middle number out all of them the middle number out of 4,7,9,26,34 is 9 which is £20

mean is all of the numbers added then divided by how many they are:4+7+9+26+34=80 80 divided by 5 is 16