NCERT Solutions for Class 9 Maths Chapter 12 Statistics Ex 12.1 helps you understand the concepts given in the chapter. All our solutions are prepared according to the new patterned NCERT Book and syllabus. In this chapter you will learn about bar graphs, histograms and frequency polygons. Solving class 9 maths NCERT solutions exercise 12.1 will help you to understand the chapter conceptually and ultimately help to ascend marks in the exams.