(a(i))[1]
Find an estimate of the median.
(a(ii))[2]
Find an estimate of the interquartile range.
(a(iii))[2]
Find the number of students taking more than 11 minutes to eat a pizza.
(b(i))[4]
Calculate an estimate of the mean.
(b(ii))[3]
Calculate the heights of all the remaining bars.
(b(iii))[2]
Find the probability that both of them threw the ball more than 45 m.