WHAT IS STATISTICS?
Introduction
The word “statistics” appears to have been derived from the Latin word “Status”. Statistics was
simple the collection of numerical data, by the kinds on different aspects useful to the state.
Today statistics is the scientific study of handling quantitative information. It embodies a
methodology of collection, classification description and interpretation of data obtained through
the conduct of surveys and experiments.
• Population
The total group under discussion or the group to which results will be generalized is called
population. For example collection of height measurements of all college students is called
population.
• Sample
A part of the population selected in the belief that it will represent all the characteristics of the
population is called a sample. For example a sample of 10 students is selected from a
population of 100 students in order to analyse the average height of the students.
• Meaning of Statistics
Now a days the word “Statistics” is used in two senses i.e.
Singular Senses
In its singular sense, the word statistics means the science of statistics which deals with
statistical methods.
Plural Senses
The word statistics, when used in plural senses means numerical facts collected in any field of
study by using a statistical method.
• Definition Of Statistics
Statistic is the numerical statement of facts capable of analysis and interpretation, and science
of statistics is the study of their principles and methods applied in collecting, presenting,
analysis and interpretation the numerical data in any field of inquiry.
OR
Science of facts and figures is called statistics.
OR
(Croxton and Cowden)
“Statistics are collection, presentation, analysis and interpretation of numerical data”
OR
(Connor)
“Statistics are measurement enumeration or estimation or social or natural phenomena
systematically arrange so as to exhibit interrelationship.”
OR
(Boodington)
“Statistics is the science of esti