Question
Write the important functions of statistics.
Solution
Following are the important functions of statistics :
1. Presentation of facts : Statistics expresses the facts in number and in precise and definite form. It helps to understand them easily.
2. Simplification of facts : Statistics helps in simplifying the complex data into a few significant figures so as to make them understandable.
3. Comparison : Statistics makes the comparison of related facts possible. It facilitates in drawing conclusions.
4. Correlation : Statistics helps in correlating the data by establishing cause and effect relationship.
5. Forecasting : Statistics helps in forecasting future behaviour of a phenomenon. It facilitates in formulating policy and programmes.
