# NCERT Class 9 Maths Statistics

Read and download NCERT Class 9 Maths Statistics chapter in NCERT book for Class 9 Mathematics. You can download latest NCERT eBooks chapter wise in PDF format free from Studiestoday.com. This Mathematics textbook for Class 9 is designed by NCERT and is very useful for students. Please also refer to the NCERT solutions for Class 9 Mathematics to understand the answers of the exercise questions given at the end of this chapter

## NCERT Book for Class 9 Mathematics Chapter 14 Statistics

Class 9 Mathematics students should refer to the following NCERT Book chapter Chapter 14 Statistics in standard 9. This NCERT Book for Grade 9 Mathematics will be very useful for exams and help you to score good marks

### Chapter 14 Statistics NCERT Book Class 9

(A) Main Concepts and Results

Statistics

Meaning of ‘statistics’, Primary and secondary data, Raw/ungrouped data, Range of data, Grouped data-class intervals, Class marks, Presentation of data - frequency distribution table, Discrete frequency distribution and continuous frequency distribution.

• Graphical representation of data :

(i) Bar graphs

(ii) Histograms of uniform width and of varying widths

(iii) Frequency polygons

• Measures of Central tendency

(a) Mean

(i) Mean of raw data Please refer to attached file for NCERT Class 9 Maths Statistics

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