Statistics | Class 10 Maths Chapter 13 | Mean, Mode, Median | Exercise 13.1,13.2,13.3 Solution NCERT

Class 10 Maths, Chapter 13: Statistics (NCERT, latest syllabus) In this video: ✔ Grouped data, class marks and frequency ✔ Three methods for the mean: direct, assumed mean, step-deviation ✔ Mode: modal class and formula ✔ Median: cumulative frequency and formula ✔ Empirical relation: 3 Median = Mode + 2 Mean ✔ NCERT Exercise 13.1 (9 questions), 13.2 (6 questions), 13.3 (7 questions), solved step by step with tables Pause before each solution and try the question yourself first. ⏱ Chapters 0:00 Introduction 0:24 Grouped data and class marks 1:05 Three methods for the mean 1:51 Example 1: Mean 2:41 Mode formula 3:26 Median formula 4:14 Example 2: Mode and Median 5:20 Three things to remember 5:58 Exercise 13.1 begins (mean) 6:15 Ex 13.1 Q1 (plants) 6:52 Ex 13.1 Q2 (daily wages) 7:38 Ex 13.1 Q3 (missing frequency f) 8:32 Ex 13.1 Q4 (heartbeats) 9:08 Ex 13.1 Q5 (boxes of mangoes) 9:51 Ex 13.1 Q6 (food expenditure) 10:34 Ex 13.1 Q7 (SO₂ concentration) 11:18 Ex 13.1 Q8 (absentees) 11:54 Ex 13.1 Q9 (literacy rate) 12:32 Exercise 13.2 begins (mode) 12:52 Ex 13.2 Q1 (ages of patients) 13:51 Ex 13.2 Q2 (lifetimes of components) 14:31 Ex 13.2 Q3 (monthly expenditure) 15:28 Ex 13.2 Q4 (teacher–student ratio) 16:16 Ex 13.2 Q5 (runs by batsmen) 16:55 Ex 13.2 Q6 (cars) 17:33 Exercise 13.3 begins (median) 17:53 Ex 13.3 Q1 (electricity consumption) 19:03 Ex 13.3 Q2 (find x and y) 19:59 Ex 13.3 Q3 (ages of policy holders) 20:48 Ex 13.3 Q4 (lengths of leaves) 21:37 Ex 13.3 Q5 (neon lamps) 22:17 Ex 13.3 Q6 (surnames) 23:08 Ex 13.3 Q7 (weights of students) 23:47 Summary #Class10Maths #Statistics #NCERT #CBSE #MeanModeMedian TAGS: class 10 maths chapter 13, statistics class 10, class 10 statistics full chapter, exercise 13.1 class 10, exercise 13.2 class 10, exercise 13.3 class 10, mean mode median grouped data, step deviation method, ncert class 10 maths, class 10 maths cbse, ncert solutions class 10 maths chapter 13