Statistics Basics
1.1 What is Statistics
1.2 Uses
1.3 Distrust of Statistics
1.4 Statistics can be misused
1.5 Types of Statistics
1.6 Common mistakes committed in interpretation of Statistics
1.7 Glossary Of Terms
1.1 What is Statistics
The word 'Statistics' is derived from the Latin word 'Statis' which means
a "political state." Clearly, statistics is closely linked with the
administrative affairs of a state such as facts and figures regarding
defense force, population, housing, food, financial resources etc. What is
true about a government is also true about industrial administration units,
and even one’s personal life.
The word statistics has several meanings. In the first place, it is a plural
noun which describes a collection of numerical data such as employment
statistics, accident statistics, population statistics, birth and death, income
and expenditure, of exports and imports etc. It is in this sense that the word
'statistics' is used by a layman or a newspaper.
Secondly the word statistics as a singular noun, is used to describe a branch
of applied mathematics, whose purpose is to provide methods of dealing with a
collections of data and extracting information from them in compact form by
tabulating, summarizing and analyzing the numerical data or a set of
observations.
The various methods used are termed as statistical methods and the person
using them is known as a statistician. A statistician is concerned with the
analysis and interpretation of the data and drawing valid worthwhile conclusions
from the same.
It is in the second sense that we are writing this guide on statistics.
Lastly the word statistics is used in a specialized sense. It describes