how do we draw lorenz curve

The steps to draw Lorenz Curve has been extensively covered in our study material that is available at our site. Follow the link and go to the chapter-6 (Measures of Dispersion) and surf to lesson-2 (Absolute Measures of Dispersion) . For your better understanding, we have provided one whole video on how to prepare Lorenz Curve. Go through the video, which will surely help you to have a better understanding of the topic.

http://cbse.meritnation.com/textbook-cbse-XI-Commerce/1/13/16/442/studymaterials.html

Select lesson-2 and scroll down to the last topic of Lorenz Curve.