The table below shows the weekly profit in naira from a mini-market. Weekly profit (N) 1-10 11-20 21-30 31-40 41-50 51-60 Freq 6 6 12 11 10 5 (a) Draw the c...

Question 1 Report

The table below shows the weekly profit in naira from a mini-market.

Weekly profit (N) 1-10 11-20 21-30 31-40 41-50 51-60
Freq 6 6 12 11 10 5

(a) Draw the cumulative frequency curve of the data;

(b) From your graph, estimate the :  (i) median ; (ii) 80th percentile

(c) What is the modal weekly profit?