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T.R. Jain and V.K. Ohri- Statistics for Economics Solution for Class 11 Commerce Statistics for Economics Chapter 11 - Measures of Dispersion

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T.R. Jain and V.K. Ohri- Statistics for Economics Solution for Class 11 Commerce Statistics for Economics Chapter 11 - Measures of Dispersion Page/Excercise 296

Solution SAQ 1

Solution SAQ 2

 

T.R. Jain and V.K. Ohri- Statistics for Economics Solution for Class 11 Commerce Statistics for Economics Chapter 11 - Measures of Dispersion Page/Excercise 297

Solution SAQ 3

 

Solution SAQ 4

Arranging data in ascending order:

Solution SAQ 5

Solution SAQ 6

 

Solution SAQ 7

 

Solution SAQ 8

 

Solution SAQ 9

Arranging the data in ascending order:

Solution SAQ 10

Arranging data in ascending order:

Solution SAQ 11

 

T.R. Jain and V.K. Ohri- Statistics for Economics Solution for Class 11 Commerce Statistics for Economics Chapter 11 - Measures of Dispersion Page/Excercise 298

Solution SAQ 12

Arranging data in ascending order:

Solution SAQ 13

Solution SAQ 14

 

Solution SAQ 15

 

Solution SAQ 16

 

Solution SAQ 17

 

Solution SAQ 18

 

Solution SAQ 19

For Sachin:

X1

x1

x12

92

34.3

1176.49

17

-40.7

1656.49

83

25.3

640.09

56

-1.7

2.89

72

14.3

204.49

76

18.3

334.89

64

6.3

39.69

45

-12.7

161.29

40

-17.7

313.29

32

-25.7

660.49

𝛴X1=577

 

𝛴 x12=5190.1

For Sourabh:

X2

x2

x22

28

-27

729

70

25

625

31

-24

576

00

-55

3025

59

4

16

108

53

2809

82

27

729

14

-41

1681

3

-52

2704

95

40

1600

𝛴 X2=550

 

𝛴 x22=14494

 

 

Good scorer- Sachin is a good scorer as his mean runs is 57.7 which is higher than Saurabh whose mean runs is 55.

 

Consistent player- Sachin is a consistent player as his coefficient of variation is 39.48 which is lower than Saurabh whose coefficient of variation is 69.21.

T.R. Jain and V.K. Ohri- Statistics for Economics Solution for Class 11 Commerce Statistics for Economics Chapter 11 - Measures of Dispersion Page/Excercise 299

Solution SAQ 20

 

Solution SAQ 21

 

Solution SAQ 22

 

Text Book Solutions

CBSE XI Commerce - Statistics for Economics

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