Median of Grouped Data

Master the middle value through cumulative frequency analysis

Welcome to the comprehensive exploration of Median in Grouped Data! Discover cumulative frequencies and median calculation through immersive animations.
📚 Ungrouped Data Review

Refresh your understanding of median as the middle value. See how position-based thinking transitions to grouped data analysis.

Median = Middle value when arranged
📊 Cumulative Frequency

Master "less than" and "more than" cumulative frequency tables. Understand how running totals reveal data distribution patterns.

CF = Running sum of frequencies
⚡ Median Formula

Apply the interpolation formula to find the exact median within the median class using cumulative frequencies.

Median = l + [(n/2 - cf)/f] × h
🔍 Finding Unknown Frequencies

Solve complex problems where frequencies are unknown but the median is given. Master reverse-engineering techniques.

Given median → Find missing frequencies