Class 11 Maths | Statistics Ex 13.1 Q9 to Q12 | Chapter 13 | NCERT Solutions | NR Maths Classes

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In this video, we solve Exercise 13.1 (Questions 9, 10, 11 & 12) of Chapter 13 – Statistics from the Class 11 NCERT textbook.

Each question is explained clearly with step-by-step solutions and exam-oriented methods.

📌 Points Covered in This Video

Mean Deviation using Step Deviation Method

Calculation of Mean & Median for grouped data

Finding Mean Deviation about Mean

Finding Mean Deviation about Median

Solving higher-level NCERT questions

Proper use of formulas and tables

Short and accurate calculation techniques

Common mistakes and how to avoid them

Видео Class 11 Maths | Statistics Ex 13.1 Q9 to Q12 | Chapter 13 | NCERT Solutions | NR Maths Classes канала NR Maths Classes