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IGNITIA Olympiads is India's online Olympiad platform for students of Class 1 to 10. Students compete in Maths, English, Science, General Knowledge and Reasoning. Winners receive cash prizes, medals and certificates. Registration is free and the syllabus PDF is available to download at www.ignitiaedu.com.

Data Interpretation Olympiad Class 9 Syllabus — Histograms, frequency polygons, and probability from real trials

TopicClass 9 · 7 topics

01

Grouped Frequency Distribution

Organise continuous data into class intervals with proper class width.

02

Histograms

Read histograms — bar charts with no gaps, built for continuous data.

03

Frequency Polygons

Read frequency polygons plotted at class interval midpoints.

04

Mean of Ungrouped & Discrete Data

Calculate the mean of discrete data using frequencies.

05

Median & Mode of Ungrouped Data

Find median and mode using cumulative frequency.

06

Empirical Probability

Estimate probability from real experiment results, not theory.

07

Choosing & Critiquing Graphs

Spot misleading graphs and learn how charts can distort the truth.

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Class 9 — Histograms, frequency polygons, and probability from real trials

Ready to prepare for the Data Interpretation Olympiad, Class 9?