(a(i))[1]
Find the median value.
(a(ii))[1]
Find the lower quartile value.
(a(iii))[1]
Find the inter-quartile range value.
(a(iv))[2]
Find how many students estimate that the volume is greater than $300\,\text{m}^3$.
(b(i))[4]
Calculate an estimate of the mean, showing all working.
(b(ii))[4]
Complete the histogram so that it displays the information in the table.
(b(iii))[2]
Select two of the 200 students at random. Find the probability that both of them estimate the area to be greater than $100\,\text{m}^2$.