(a)[1]
A woman is picked at random. Find the probability that her javelin throw was $30$ metres or less.
(b)[3]
Calculate an estimated mean distance for the javelin throws.
(c)[3]
Draw the cumulative frequency diagram for this data on the grid provided on the next page.
(d(i))[1]
Use your graph to find an estimated median.
(d(ii))[2]
Use your graph to find an estimated interquartile range.
(e)[2]
Women whose javelin throw exceeded $43\text{ m}$ qualified for a regional competition. Use your graph to estimate the number of women who qualified for this competition.