RD Sharma Solutions for Class 7 Chapter 23 “Data Handling II (Central Values)”. In our day-to-day life, we frequently use words average height, average weight, average price, etc. A measure of central tendency is a summary statistic that represents the centre point or typical value of a dataset. It measures indicate, where most values in a distribution fall and are also referred to as the central location of a distribution. The chapter explains the central value, measures of a central value, arithmetic mean, range, arithmetic mean of grouped data, median and mode. Meanwhile, in this chapter, students get to learn how to construct the table for these given data.