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Statistical Inference

TERM REPORT

STATISTICAL INFERENCE

PRESENTED BY:

MOHAMMAD HUDA SAAD
MOHAMMAD HUSSAIN
MOHAMMAD HASSAN NAJEEB
MEHWISH AZIZ
RANJEET KUMAR

PRESENTED TO:
MR. MASSARAT KHAN

DATE OF SUBMISSION:
NOVEMBER 25th 2008

Acknowledgements

This report was a challenging interesting and a complete learning experience for all of us. We extend our sincere gratitude to Mr. Massarat Ali Khan, Course Instructor of ‘Statistical Inference’- who gave us this opportunity and helped keep us on schedule with precise deliverables’ submissions. It was this generous assistance that made the study and its final presentation possible.

And a very sincere thanks to all those individuals who shared with us their time and opinions, filled our survey and became a part of our sample size.

Thank You All,

All Team Members

Introduction

This study was conducted in order to enhance the learning of the students by giving them a practical experience of how statistical studies are done. Basically, the students were told to pick up any population of their choice and study it with respect to a certain variable. To draw conclusions about populations from samples, we used inferential statistics, which enabled us to determine our population’s characteristics by directly observing only a portion (or sample) of the population. We obtained a sample rather than a complete enumeration (a census) of the population for many reasons. There were six main reasons for sampling instead of doing a census. These were: economy, timeliness, the large size of our population, inaccessibility of some of the population, destructiveness of the observation and accuracy.

We did this study in order to find out if boys in IBA are of the same height as that of girls. Our area of study was limited to the premises of IBA. The hypothesis we checked was that boys and girls in IBA are of the same height.

The statistical methods that we employed in the study are the ‘F-test for two population standard...