(1) Statistics helps in providing a better understanding and exact description of a phenomenon of nature. (2) Statistical helps in proper and efficient planning of a statistical inquiry in any field of study. (3) Statistical helps in collecting an appropriate quantitative data. (4) Statistics helps in presenting complex data in a suitable tabular, diagrammatic and graphic form for an 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 inference, along with a measure of their reliability about the population parameters from the sample data. |