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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

Exercise/Page

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.

Solution SAQ 20

Solution SAQ 21

Solution SAQ 22

# Text Book Solutions

CBSE XI Commerce - Statistics for Economics

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