(a(i))[1]
Write down the interval that has the highest frequency.
(a(ii))[1]
Write down the class interval that contains the median time.
(a(iii))[4]
Calculate an estimate for the mean time.
(a(iv))[1]
Find the probability that this student takes more than 40 minutes.
(b(i))[2]
Complete the table of cumulative frequencies.
(b(ii))[3]
On the grid, draw a cumulative frequency graph for this information.
(b(iii))[1]
Find the median of the times.
(b(iv))[2]
Find the interquartile range value.
(b(v))[2]
Find how many students took more than 37 minutes to complete the cooking challenge.