(a(i))[1]
Determine the mode.
(a(ii))[1]
Determine the median.
(a(iii))[2]
A pie chart is used to display this information. Calculate the angle for $5$ classes attended.
(b(i))[3]
Thirty members spent between $30$ and $60$ minutes at the gym. Calculate how many members were surveyed.
(b(ii))[2]
Rohit says: One tenth of these members spent longer than $1\frac{1}{2}$ hours at the gym on their last visit. Is he correct? Give a reason for your answer.