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Welcome to ZA Academy’s 11th Entrance Batch (Commerce/Humanities) for AMU & JMI 2025 aspirants! In today’s lecture, Zaid Sir, one of the most dedicated and student-favourite mentors for Statistics, teaches the next important chapter – “Statistics – Part 2.” In this detailed and engaging session, Sir explains: ✅ Introduction to Statistics — Meaning and importance of Statistics — Role of Statistics in daily life — Types of data: Primary & Secondary — Applications in economics, commerce, and research ✅ Classification & Tabulation of Data — Raw data vs. grouped data — Frequency distribution — Exclusive & inclusive classes — Discrete & continuous series ✅ Measures of Central Tendency — Mean, Median & Mode — Shortcut methods for quick calculations — When to use which measure — Solved numerical examples for entrance exams ✅ Measures of Dispersion (Basic Overview) — Range, Quartile Deviation, Mean Deviation — Importance of dispersion in understanding variability ✅ Graphical Representation of Data — Bar graphs — Histograms — Frequency polygons — Ogives (Cumulative curves) ✅ Important Statistical Terms — Variable, Attribute — Class interval, Mid-point — Cumulative frequency — Skewness (basic idea) ✅ Previous Years’ Questions (PYQs) from AMU & JMI Entrance Exams — Frequently asked numerical & theoretical questions — Tricks to solve questions quickly in the exam — Common mistakes students should avoid ✅ Smart tips & tricks — Easy methods to solve mean/median/mode quickly — How to identify the right statistical method — Shortcuts for grouped and ungrouped data This session is a must-watch for every student preparing for the AMU/JMI Class 11 Entrance (Humanities/Commerce) — as Statistics is one of the most scoring and frequently asked topics. 🔗 Join ZA Academy 📱 Download the ZA Academy App for live & recorded lectures, study material, and test series: 👉 ZA Academy App (Google Play) 📍 Centre: Muzammil Complex, Aligarh 📩 Email: [email protected] 📞 Contact for any query: +91-7668133310 💬 Stay Connected Instagram: @zaacademy2025 Facebook: ZA Academy YouTube: Subscribe for more detailed lectures, PYQ discussions & topper strategies!