Name the stages of statistical study and statistical tools for presentation of data.

Or

Describe the main stages of statistics and their related tools.

Stages of statistics : Following are main stages of statistics :

1. Collection of data : It refers to gather some statistical facts by different methods.

2. Organising of data : In the second stage we organise the data collected in some systematic order.

3. Presentation of data : In this stage the organised data are presented the form of graphs, diagrams, tables etc.

4. Analysis of data : In ourth stage we analyse the data in terms of averages or percentages.

5. Interpretation of data : This is the last stage of statistics. In this stage, we interpret the data to find some conclusion.

Statistical tools : Sample or census tools are used for collecting the data. For the organisation of data we use array of data and tally bars tools. Tables, graphs and diagrams are statistical tools for the presentation of data. Averages and percentages are commonly used techniques for the analysis of data. Magnitude of percentages, averages and degree of relationship between different variables are used for interpretation of data. The following table gives an overall view of various stages of statistics and related tools :