Frequency Distribution Tables and Graphs

Class 8 · Mathematics · 4 lessons

This chapter, Frequency Distribution Tables and Graphs, is part of the Class 8 Mathematics syllabus under CBSE, Telangana and Andhra Pradesh boards. It contains 4 lessons — starting with Introduction — Central Tendency, Exercise 7.1 — Mean, Median and Mode, Exercise 7.2 — Grouped Data, and more — each with free, step-by-step PDF notes you can study directly in the browser or present in class in fullscreen mode. Work through the lessons in order below; later exercises in this chapter generally build on the concepts introduced in the earlier ones.

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Introduction — Central Tendency
Arithmetic mean, median and mode using the deviation method.
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Exercise 7.1 — Mean, Median and Mode
Problems based on mean, median and mode.
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Exercise 7.2 — Grouped Data
Organisation of grouped data and cumulative frequency.
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Exercise 7.3 — Graphs
Bar diagram, histogram, frequency polygon and frequency curve.
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