RD Sharma Solutions for Class 10 Chapter 15 Statistics- Statistics is the discipline that concerns the collection, organization, analysis, interpretation and presentation of data. In applying statistics to a scientific, industrial, or social problem, it is conventional to begin with a statistical population or a statistical model to be studied. The chapter basically deals with the techniques for finding the mean, median, and mode of grouped data. It also includes the concept of a cumulative frequency graph of a frequency distribution.