what is statistics?explain its uses
Answers
(1) Statistics helps in providing a better understanding and exact description of a phenomenon of nature. (2) Statistics helps in the proper and efficient planning of a statistical inquiry in any field of study. (3) Statistics helps in collecting appropriate quantitative data.
What is statistics ?
Statistics is a branch of mathematics dealing with data collection, organization, analysis, interpretation and presentation. In applying statistics to, for example, a scientific, industrial, or social problem, it is conventional to begin with a statistical population or a statistical model process to be studied.
Uses of statistics : -
(1) Statistics helps in providing a better understanding and exact description of a phenomenon of nature.
(2) Statistics helps in the proper and efficient planning of a statistical inquiry in any field of study.
(3) Statistics helps in collecting appropriate quantitative data.
(4) Statistics helps in presenting complex data in a suitable tabular, diagrammatic and graphic form for easy and clear comprehension of the data.
(5) Statistics helps in understanding the nature and pattern of variability of a phenomenon through quantitative obersevations.
(6) Statistics helps in drawing valid inferences, along with a measure of their reliability about the population parameters from the sample data.