Class 10 Maths Ex 13.1 FULL SOLUTIONS ✅ | Class 10th Chapter 13 | Aman Verma
Struggling with Class 10 Maths Exercise 13.1? Get FULL, step-by-step NCERT solutions for Chapter 13: Statistics! This exercise focuses entirely on calculating the Mean for grouped data using all 3 Methods: Direct Method, Assumed Mean Method, and Step-Deviation Method. Updated for the 2025-26 Syllabus.
Detailed Breakdown & Key Content:
This video provides comprehensive solutions for every question in NCERT Exercise 13.1, comparing the methods and ensuring you know how to choose the easiest one for the exam.
🔑 Key Topics Covered (Exercise 13.1 Focus):
• Mean Formula (Direct Method)
• Mean Formula (Assumed Mean Method)
• Mean Formula (Step-Deviation Method)
• Detailed calculation of Class Mark and deviation.
• Solving all NCERT Exercise 13.1 questions, including Missing Frequency problems.
Time Stamps:
00:00 Intro
00:11 Direct Method
02:32 Assumed Mean Method
04:40 Step – deviation method
06:58 Question 1 Solution
12:16 Question 2 Solution
20:39 Question 3 Solution
26:51 Question 4 Solution
31:45 Question 5 Solution
39:21 Question 6 Solution
43:54 Question 7 Solution
48:47 Question 8 Solution
54:28 Question 9 Solution
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