1

Introduction

2

Measures of Dispersion

3

Example 1; Example 2; Exercise 15.1 (1)

4

Mean Deviation for Grouped Data; Example 4

5

Exercise 15.1 (6); Example 5

6

Exercise 15.1 (7,8); Continuous Frequency Distribution; Example 6

7

Exercise 15.1 (9,10)

8

Example 6

9

Mean Deviation about Median

10

Example 11

11

Variance; Example 8

12

Median; Example 9 ; Example 10

13

Exercise 15.2 (1,2,3)

14

Exercise 15.2(4); Standard Deviation for Continuous Frequency

15

Example 11; Methods to Find Variance and Standard Deviation

16

Example 12; Exercise 15.2 (6)

17

Exercise 15.2 (7,8)

18

Exercise 15.2 (9,10)

19

Exercise 15.1 (4); Coefficient of Variation

20

Example 13; Example 14; Example 15

21

Miscellaneous Exercise (6,7)

1

Exercise 13.1(22,23,25)

2

Exercise 13.1(26,27,28)

3

Introduction

4

Exercise 13.1(1 to 14)

5

Exercise 13.1(18 to 21)

6

Derivatives

7

Exercise 13.2(1,2,4)

8

Exercise 13.2(4,5,6,7,8)

9

Exercise 13.2[9(i,ii,iii,iv,v,vi)]

10

Exercise 13.2[10,11(i,ii,iii,iv,v,vi)]

1

Introduction

2

Exercise 14.2(2,3);Exercise 14.3(1,2,4)

3

Exercise 14.4(1,2,3)

4

Exercise 14.5(1,2,3,4,5)