NCERT Solutions for Class 9 maths Chapter 14 Statistics


Statistics is the branch of statistics dealing with the collection, organization, interpretation, analysis and presentation of data. If statistics is applied to a scientific, industrial, or social problem, one should begin with a statistical model or a statistical population to be studied. The branch of Mathematics in which the extraction of meaningful information is studied is known as Statistics. It can also be defined as the collection of data on different aspects of the life of people, useful to the State. The chapter teaches about the different presentation of the data, including the frequency distribution as well. The chapter also helps the students learn the graphical representation of data, using different graphs such as Bar graphs, Histograms, Frequency polygons, etc. The chapter also lets the students learn the measure of central tendency mean, median and mode of the raw data. A total of 4 exercises are present in the chapter that includes problems related to all these concepts.