Statistical methods:

Statistical methods:

     Collection of data:

                * It is the first important step which is, collecting the data.

                * Planning is very important while collecting the data.

                * Different methods of collecting the data are:

                                  * Census.

                                  * Sampling.

                                  * Primary

                                  * Secondary.

      Presentation of Data:

                 * The collected data must be presented in a suitable manner.

                 * The collected data must be presented in the form of tabular or diagrammatic or in a graph form.

     Analysis of Data:

   

                 * The data presented must be carefully analyzed from the presented data.

      Interpretation of data:

 

                  * The final step is drawing conclusions from the data collected.

                  * Experience is necessary for the interpretation.