Measures OF Dispersion

Subject: Business Mathematics and Statistics

Semester: Spring 2009

Submitted To: Mr. Ashfaq Ahmed

The Aims Islamabad

Prepared By: Adeel Iqbal Roll # AD513541

IN THE NAME OF ALLAH

The COMPASSIONATE, THE MERCIFUL

DEDICATION

I DEDICATE MY WORK TO MY

PARENTS

&

TEACHERS

Acknowledgements :

In the name of The Lord, Who created man from the clot, and The Lord is the Most Bounteous, Who taught man that he knew nothing.

Above all I’m indebted to Allah, The Al – Wahab, Who is the Creator and Provider of everything & His Holy Prophet Muhammad ( P.B.U.H) Whose Blessings enabled us to perceive and pursue higher ideas of life and Who conveyed us the Complete and Flawless Teachings.

This project has been completed with the blessings of Almighty Allah, through countless prayers of my Parents and with my efforts through the guidance of my elders.

I also acknowledge the valuable time and information which the professional workers granted me for the completion of this project. There value is second to none.

I would especially avail this opportunity to thank the following:

Mr. Ashfaq Ahmed

ProfessorThe Aims College,Islamabad.

Ms. Shaihid Islam

Associate Professor,Punjab College Of Commerce & ITIslamabad.

Table of contents

No of Items Descriptions Page

1 Title Page 1 2 Dedications 4 3 Acknowledgements 5 4 Introduction to the issue 7 5 Measures of Dispersion 8 6 Qualities of good measure of Dispersion 9 7 Types of Measure of Dispersion 10 8 Absolute measure of Dispersion 11 9 Relative measure of Dispersion 1110 Range 1211 Uses of Range 1312 Advantages & Disadvantages 13

13 Quartile Deviation 14

14 Advantages & Disadvantages 15 15 Mean Deviation 1616 Advantages & Disadvantages 1717 Variance 1718 Standard Deviation 1819 Co-efficient of Variation 1920 Uses Of Co-efficient of Variation 1921 Practical Application 2022 Conclusion 23