1

Introduction

2

Example to Find Mean

3

Example 2; Exercise 14.1 (1)

4

Exercise 14.1 (2,3,4)

5

Exercise 14.1 (5,6)

6

Exercise 14.1 (7,8)

7

Exercise 14.1 (9) ; Mode of Grouped Data

8

Exercise 14.2 (2,3,4,5)

9

Exercise 14.2 (6); Mean of Grouped Data ;Exercise 14.3(1)

10

Exercise 14.3 (2,3,4,5)

11

Exercise 14.3 (6,7);Graphical Representation of Cumulative Frequency distribution

12

Exercise 14.4 (1,2,3)