(a(i))[2]
Complete the table so that it shows how many children are in each group. The table has columns Girls, Boys, Total and rows Age 15, Age 16, Total. The values already given are: Age 15 total = 65; Age 16 girls = 44; Total girls = 70; Overall total = 120.
(a(ii))[2]
One child is chosen at random. Find the probability that the child is a girl aged 16. Give your answer as a fraction in lowest terms.
(a(iii))[2]
Write down the ratio number of girls aged 15 : number of boys aged 15. Give your answer in its simplest form.
(b(i))[2]
Find the median of the data.
(b(ii))[1]
Find the range of the distances.
(b(iii))[2]
Work out the two possible distances for his attempt.