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NCERT Book Class 9 Mathematics - Chapter 12 Statistics PDF
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Chapter 12 Statistics NCERT Book Class 9 PDF (2026-27)
(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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Official NCERT Textbook PDF: Class 9 Mathematics Chapter 12 Statistics
Official NCERT E-Textbook: Chapter 12 Statistics (NCERT)
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