Mean of Grouped Data - All Methods

Master three essential methods through immersive visual storytelling

Welcome to the most comprehensive exploration of Mean for Grouped Data! Experience three powerful methods through cutting-edge visual animations.
🎯 Direct Method

The foundational approach using class marks and frequencies. Watch as we build the calculation step by step through animated visualizations.

x̄ = Σfixi / Σfi
📊 Assumed Mean Method

Simplify calculations with strategic deviation analysis. See how choosing the right assumed mean transforms complex problems.

x̄ = a + Σfidi / Σfi
⚡ Step Deviation Method

The most elegant solution for equal intervals. Experience the mathematical beauty of normalized deviations in action.

x̄ = a + h(Σfiui / Σfi)
🔄 Method Mastery

Discover why all methods yield identical results and learn the strategic thinking behind choosing the optimal approach for any dataset.

All paths → Same destination