CH#1

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Transcript of CH#1

Introduction To StatisticsFrom

“Prof. Sher Muhammad Chaudry”5th Edition

Chapters included in course

• 1. Introduction• 2. Presentation of data• 3. Measures of central tendency or averages• 4. Measures of dispersion, moments and

skewness• 5. Index numbers• 8. Probability• 10. Discrete probability distributions• 11. Continuous probability distribution• 12. Simple regression and correlation

Chapter # 1- Introduction

• Meaning of Statistics:

Characteristics of Statistics

Branches of statistics

Terms mostly used in statistics

Importance of Statistics

Observation and variable

• Observation:

• Variable:

Qualitative & Quantitative variables

Discrete & Contiunuous variables

Errors of measurement: Absolute and relative error

Classification and Collection of statistical data