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Commerce

1. Kataria Classes
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1. izlkj dk lkis{k eku fuEufyf[kr esa ls D;k gS\
Which one of the following is a relative measure of
dispersion?

(a) ekud fopyu@ Standard deviation
(b) izlj.k@ Variance
(c) fopj.k dk xq.kkad@ Coefficient of variation
(d) mi;qZDr esa ls dksbZ ugha@ None of the above

2. Kataria Classes
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2. ;fn lekUrj ek/; 25 rFkk izeki fopyu 6.25 gks] rks fopj.k
xq.kkad gksxk&

(a) 20
(b) 25
(c) 30
(d) 50

3. Kataria Classes
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3. ;fn fu/kkZj.k ds xq.kkad dk eku 0.64 gS] rks lglaca/k ds xq.kkad
dk ekUk D;k gksxk\
If the value of co-efficient of determination is 0.64, what is the
value of coefficient of correlation?

(a) 0.40
(b) 0.80
(c) 0.08
(d) 0.04

4. Kataria Classes
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4. dkyZ fi;jlu dk nks pyksa ds chp lglaca/k xq.kkad gS\
Karl Pearson’s co-efficient of correlation between two
variable is:

(a) muds ekud fopyu dk xq.kuQy gS@ the product of their
standard deviations
(b) muds izfrxeu xq.kkdksa ds xq.kuQy dk oxZewy@ the square
root of the product of their regression co-efficients
(c) pjksa ds chp lgfopyu@ the co-variance between the
variables
(d) mijksDr esa ls dksbZ ugha@ None of the above

5. Kataria Classes
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5. fuEufyf[kr lw=ksa esa ls dkSu ls lw= dk iz;ksx fdlh izfrn’kZ ds
25 ;qXe izs{k.k ds chp lglaca/k ds xq.kkad dh ekud Hkwy dk
ifjdyu djus ds fy, fd;k tkrk gS\
Which one of the following formulae is used to calculate the
standard error of coefficient of correlation between 25 paired
observations of a sample?

(a)
(�–??????
�
)
??????
(b)
(�–??????
�
)
(??????–�)

(c) (�.����)
�–??????
�
??????
(d)
(??????–�)
(�–??????
�
)

6. Kataria Classes
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6. Regression coefficient of X on Y will be:
X dk Y ij izrhixeu xq.kkad gksxk&

(a)
??????�
??????�
(b) r
??????�
??????�
2
(c) r
??????�
??????�
2
(d) r
??????�
??????�

7. Kataria Classes
 8707548600

7. ;fn nks izfrixeu xq.kkad –0.8 vkSj –0.2 gks rks lglaca/k xq.kkad
eku gksxk&
If the regression coefficient are –0.8 and –0.2 then the value of
correlation coefficient will be:

(a) –0.4
(b) +0.4
(c) –0.16
(d) +0.16

8. Kataria Classes
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8. lkaf[;dh esa izrhixeu ‘kCn dk iz;ksx------us loZizFke fd;k\
The word regression in statistics was first used by:

(a) ckWmys@ Bowley
(b) dkyZ fi;lZu@ Karl Pearson
(c) jkcV~Zl@ Roberts
(d) xkYVu@ Galton

9. Kataria Classes
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9. vxj dkyZ fi;lZu lglaca/k xq.kkad X rFkk Y ds chp –0.75 gS]
lgizlj.k –15 rFkk Y J`a[kyk dk ekud fopyu 5 gS] rks X
J`a[kyk dk ekud fopyu D;k gksxk\

(a) 4
(b) 3
(c) –4
(d) 5

10. Kataria Classes
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10. ;fn x = �–� rFkk y = �–� ;qXe inksa dh la[;k n gks] rks

(a) ??????=
��
�
�
�
�
(b) ??????=
?????? ��
�
�
�
�



(c) ??????=
��
?????? �
�
�
�
(d) ??????=
��
?????? �
�

11. Kataria Classes
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11. lglaca/k xq.kkad gksrk gS lnSo%

(a) ,d ls vf/kd
(b) &1 ls de
(c) &1 vkSj $1 ds chp esa
(d) 0 ls vf/kd

12. Kataria Classes
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12. ;fn fu/kkZj.k ds xq.kkad dk eku 0.64 gS] rks lglaca/k ds xq.kkad
dk eku D;k gksxk\
If the value of co-efficient of determination is 0.64, what is the
value of coefficient of correlation?

(a) 0.40
(b) 0.80
(c) 0.08
(d) 0.04

13. Kataria Classes
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13. vkdfyr lehdj.k esa] Lora= pj esa o`f) ds lkFk vkfJr pj esa
Hkh o`f) gksrh gS] rks lglaca/k xq.kkad dh lhek gksxh%
If the dependent variable increase as the independent variable
increase in an estimating equation, the coefficient of
correlation will be in the range:

(a) 0 to (–1)
(b) 0 to (–) 0
(c) 0 to (–) 0.05
(d) 0 to 1

14. Kataria Classes
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14. ;fn X vkSj Y pjksa ds chp vO;kf[;r fopj.k 36% gS rks pjksa
ds chp xq.kkad dk lglaca/k D;k gS\
If unexplained variation between variable X and Y is 36%,
what is the coefficient of correlation between the variable?

(a) 0.36
(b) 0.64
(c) 0.60
(d) 0.80

15. Kataria Classes
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15. fuEufyf[kr esa ls lg&laca/k dks tkuus ds fy, fuEufyf[kr esa ls
lgh fof/k dk p;u dhft,%
Select the methods of finding out correlation from the
following?
(i) dkyZ fi;jlu dh fof/k@ Karl Pearson’s Method
(ii) fLi;jeSu dh jSad fof/k@ Spearman’s Rank Method
(iii) ;wys dh fof/k@ Yule’s Method
(iv) dUVhutsUlh xq.kkad@ Coefficient of Contingency
(v) leorhZ fopyu@ Concurrent Deviation Method
Codes :
(a) (i), (ii), (iii) (b) (i), (ii), (iii), (iv)
(c) (i), (ii), (v) (d) (iii), (iv), (v)

16. Kataria Classes
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16. The following are the estimated regression equations for x
and y variables:
‘x’ vkSj ‘y’ pjksa ds izfrxeu lehdj.k fuEufyf[kr gSa%
x = 0.85 y
y = 0.89 x
With this information, the value of the coefficient of
correlation would be:
bl lwpuk ds vk/kkj ij lglaca/k xq.kkad dk ewY; gksxk%
(a) 0.87
(b) 0.86
(c) 0.89
(d) 0.75

17. Kataria Classes
 8707548600

17. fuEufyf[kr tkudkjh dk v/;;u dhft,%
Study the following information:
Covariance between X and Y series = –17.8
Standard deviation of X series = 6.6
Standard deviation of Y series = 4.2
No. of pairs of observation = 20
lglaca/k xq.kkad gS
The coefficient of correlation is:
(a) –0.642
(b) 0.642
(c) 0.253
(d) –0.253

18. Kataria Classes
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18. xq.kkad 0.8 gS] rks vglaca/k xq.kkad gksxk&
If correlation coefficient is 0.8 then the coefficient of
allenation shall be:

(a) 0.44
(b) 0.6
(c) 0.4
(d) 0.64

19. Kataria Classes
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19. dkyZ fi;jlu dk lglaca/k xq.kkad Kkr fd;k tk ldrk gS&
The Karl Pearson’s coefficient of correlation can be computed
between:

(a) nks pjksa ds e/;@ Two Variables
(b) nks xq.kksa ds e/;@ Two Attributes
(c) nks la[;kvksa ds e/;@ Two Numbers
(d) nks ekU;rkvksa ds e/;@ Two Assumptions

20. Kataria Classes
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20. fuEufyf[kr eas ls dkSu lk lgh gS\
Which one of the following is CORRECT?

(a) PE =
.����(�–??????
�
)
??????
(b) PE =
.����(�–??????
�
)
??????


(c) PE =
.����??????
�–??????
� (d) PE =
.����(�–??????
�
??????

21. Kataria Classes
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21. dkSu&lk dFku lR; ugha gS\

(a) Q
2 = D
5 = P
50
(b) Q
3 = P
75
(c) D
8 = P
80
(d) Q
1 = D
1 = P
1

22. Kataria Classes
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22. vifdj.k ds lkis{k eki D;k dgykrk gS\


(a) lkis{krk xq.kkad
(b) fujis{krk xq.kkad
(c) vifdj.k xq.kkad
(d) vifdj.k lkis{krk

23. Kataria Classes
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23. Øekuqlkj izkd`frd vadksa dk izeki fopyu?????? fuEufyf[kr esa ls
fdl lw= }kjk Kkr fd;k tkrk gS\

(a) ??????=
??????
�
–�
�
(b) ??????=??????
�
–
�
��


(c) ??????=
??????
�
��
–� (d) ??????=
�
��
(??????
�
–�

24. Kataria Classes
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24. ‘kred ijkl (P. R.) dk lw= gS%

(a) P
90 – P
10
(b) P
50 – P
30
(c) P
75 – P
25
(d) None of these

25. Kataria Classes
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25. dkSu&lk vkuqHkfod laca/k lgh gS\
Which empirical relation is not correct?

(a) M. D. = ¾ S. D.
(b) M. D. = 4/3 S. D.
(c) M. D. = 4/5 S. D.
(d) M. D. = 5/4 S. D.

26. Kataria Classes
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26. ;fn N = 11, �= 60, �
�
= 1,000 gks] rks ekud fopyu gksxk%

(a) 8
(b) 12
(c) 6
(d) 100

27. Kataria Classes
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27. r`rh; prqFkZad (Q
3) dk eku cjkcj gksxk%

(a) ekf/;dk ds 1.50
(b) r`rh; n’ked ds
(c) 75 oka ‘kred ds
(d) mi;qZDr esa ls fdlh ls Hkh ugha

28. Kataria Classes
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28. fopj.k xq.kkad dk lw= gS

(a)
izeki fopyu
ek/;
× 100 (b)
ek/;
izeki fopyu
× 100

(c)
ek/; & Hkwf;"Bd
izeki fopyu
× 100 (d)
izeki fopyu
ek/;&Hkwf;"Bd
× 100

29. Kataria Classes
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29. 100 p;fur fo|kfFkZ;ksa dh Å¡pkbZ dk vkSlr 168.8 lsaVhehVj gS
rFkk mudk fopj.k xq.kkad 3.2% gSA mudh Å¡pkbZ dk izeki
fopyu D;k gS\

(a) 514
(b) 521
(c) 524.61
(d) 5.4016

30. Kataria Classes
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30. ;fn izFke prqFkZad 142 gS vkSj v)Z&vUrjprqFkZad foLrkj 18 gks]
rks] caVu dks lefer ekurs gq,] ekf/;dk dk ewY; gksxk\

(a) 151
(b) 160
(c) 171
(d) 180

31. Kataria Classes
 8707548600

31. ekud fopyu dh x.kuk fdl vk/kkj ij dh tkrh gS\
Standard Deviation is calculated on the basis of:

(a) ek/;@ mean
(b) ekf/;dk@ median
(c) cgqyd@ mode
(d) mi;qZDr esa ls dksbZ ugha@ None of the above