The frequency table shows the number of breakdowns,

b, per month recorded by a road haulage firm over a certain period of time. Breakdowns b Frequency f Cumulative frequency 0 8 8 1 11 19 2 12 31 3 3 34 4 1 35 5 10 1 36 a Write down the number of months for which the firm recorded the breakdowns. b Write down the number of months in which there were two or fewer breakdowns. c Write down the modal number of breakdowns. d Find the median number of breakdowns. e Calculate the mean number of breakdowns. f in a brochure about how many loads reach their destination on time, the firm quotes one of the answers to

c, d or e as the number of breakdowns per month for its vehicles. Write down which of the three answers the firm should quote in the brochure.AppendixLO1