The RS Aggarwal solutions for class 6th Maths Chapter 22 focuses on the concepts of Data handling with the help of charts. Data handling is the process of ensuring that research data is stored, archived or disposed of safely and securely during and after the conclusion of a research project. It includes the development of policies and procedures to manage data handled electronically as well as through non-electronic means. Systematically keeping the books in libraries, recording water levels in rivers etc. are examples of Data Handling. Topics included in this Chapter are raw data, array, tabulation of data, observations, frequency of observation and statistics are given here with easy to understand explanations.