Statistics and Probability

Author:R S Aggarwal & Veena Aggarwal
9th CBSE
IMPORTANT

Practice Other Chapters from Statistics and Probability

Secondary School Mathematics FOR CLASS 9>Statistics and Probability>Presentation of Data in Tabular Form

In this chapter, we will learn to present data using tables, frequency distribution, graphs and charts. We will study the representation of raw data using graphs. These all are discussed in detail using examples and exercises.

Secondary School Mathematics FOR CLASS 9>Statistics and Probability>Bar Graph, Histogram and Frequency Polygon

This chapter elaborates on the graphs, such as bar graphs, histogram and frequency polygon that are used to represent various types of data, along with their characteristics. The methods to draw these graphs are also explained here.

Secondary School Mathematics FOR CLASS 9>Statistics and Probability>Mean, Median and Mode of Ungrouped Data

In this chapter, we will study the concepts of mean, median and mode that are used for an ungrouped data. The method to calculate each term using specific formulas is also explained here through unsolved questions and examples.

Secondary School Mathematics FOR CLASS 9>Statistics and Probability>Probability

This chapter elaborates on the concept of probability and defines the related terms. We will learn about the mathematical operations used to calculate probability in different cases by solving the given exercises.