Median of Grouped Data — Beech Wali Row = GALAT! | Class 10 Statistics Ch 13 | CBSE 2027 #15

Beech wali row uthaayi aur median class se bahar answer aaya? 😅 Aaj Ch 13 Statistics Part 2 — MEDIAN of grouped data step by step: cumulative frequency, median class ka asli rule (pehla cf ≥ N/2), formula, 10-second sanity check, empirical relation (3 Median = Mode + 2 Mean) aur Mean vs Median vs Mode — kab kaunsa. Phir 5 PYQ-style sawaal fully solved, including 1 "Show that". Scope: CBSE 2026-27 Class 10 — "Mean, median and mode of grouped data (bimodal situation to be avoided)". Ogive / cumulative frequency graph is not in this syllabus. ⏱ TIMESTAMPS 0:00 Cold open — beech wali row ka trap 0:24 Aaj kya seekhenge 0:53 Recap: Mean + Mode 1:19 Median kya hai 1:46 Cumulative frequency (cf) 2:13 Median class — asli rule 2:46 Median formula (67) 3:15 10-second sanity check 3:43 Empirical relation: 3 Median = Mode + 2 Mean 4:19 Kab kaunsa — Mean vs Median vs Mode 4:50 Q1 Bijli ki khapat (NCERT) → 137 5:26 Q2 Missing frequency x, y (PYQ) → 8, 7 6:08 Q3 'Less than' table trap → 35.76 6:43 Q4 Empirical → Median 28 7:11 Q5 SHOW THAT — inclusive classes → 146.75 mm 8:07 3 Galtiyan + worksheet 📄 Free worksheet: comment STATS 🤖 Doubt? MyGyaanSaarthi AI Tutor (Class 6–12) — 7-day free trial: https://mygyaansaarthi.com ▶ Part 1 (Mean + Mode): Mission Boards 2027 #14 #Class10Maths #CBSE2027 #BoardExam #Statistics #Median