Problems & Solutions in Economics Class XI by Dr. Anupam Agarwal, Mrs. Sharad Agarwal

1. Organization of Data : Classification, 2. Presentation of Data : Tables, 3. Diagrammatic Presentation of Data, 4. Graphic (Time Series and Frequency Distribution) Presentation of Data, 5. Measures of Central Tendency : Arithmetic Average, 6. Measures of Central Tendency : Median and Mode