Problems & Solutions in Economics Class XI by Dr. Anupam Agarwal, Mrs. Sharad Agarwal (SBPD Publications)

Strictly according to the latest syllabus prescribed by State Boards of Bihar, Jharkhand, Uttarakhand, Rajasthan, Haryana, H.P., MP, Chhattisgarh etc. following CBSE curriculum based on NCERT guidelines.

6.Organization of Data : Classification, 7. Presentation of Data : Tables, 8. Diagrammatic Presentation of Data, 9. Graphic (Time Series and Frequency Distribution) Presentation of Data, 10. Measures of Central Tendency : Arithmetic Average, 11. Measures of Central Tendency : Median and Mode, 12. Measures of Dispersion, 13. Correlation, 14. Index Number.