Chapter 12 of 12
Syllabus
Statistics — Syllabus
Karnataka Board · Class 9 · Mathematics
What Statistics covers in Karnataka Board Class 9 Mathematics: 3 topics, for the 2026-27 session. Part of the Karnataka Board Class 9 Mathematics syllabus.
44 questions20 flashcards5 concepts
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3 Topics · Karnataka Board Class 9 Mathematics · 2026-27
Topics in Statistics
1
Bar Graphs
- Bar graphs use rectangular bars of uniform width to represent data
- Bars can be drawn horizontally or vertically with equal spacing
- Height of each bar is proportional to the frequency or value it represents
2
Histograms
- Used for continuous data grouped in class intervals
- No gaps between adjacent rectangles unlike bar graphs
- Width of rectangle equals class interval width
3
Frequency Polygons
- Formed by joining mid-points of upper sides of histogram rectangles
- Can be drawn with or without constructing histogram first
- Requires class marks (mid-points of class intervals)
Key Concepts
Bar graphs are pictorial representations whereHistograms represent continuous data using adjacentWhen class intervals have different sizesFrequency polygons are line graphs connectingClass mark is the representative value
Work through every topic in Statistics with notes and quizzes
Start This ChapterFrequently Asked Questions
What are the important topics in Statistics for Karnataka Board Class 9 Mathematics?
Key topics in Statistics include Bar Graphs, Histograms, Frequency Polygons. Study these first, then practise questions on each for Class 9 exams.
How should I revise Statistics for Class 9 exams?
Learn the core ideas first, then work through the 44 practice questions on Statistics. Revise definitions regularly and use flashcards for quick recall before the exam.
Sources & Official References
- Karnataka SSLC — kseeb.kar.nic.in
- Dept of Pre-University Education, Karnataka
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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