Functions or 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.