Class 11-commerce TR JAIN AND VK OHRI Solutions Statistics for Economics Chapter 11 - Measures of Dispersion
296
297
298
299
Measures of Dispersion Exercise 296
Solution SAQ 1
Solution SAQ 2
Measures of Dispersion Exercise 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
Measures of Dispersion Exercise 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.
Measures of Dispersion Exercise 299
Solution SAQ 20
Solution SAQ 21
Solution SAQ 22
