Old Exam Papers June 2012 (Set 2)

mijksä leadksa ls (i) Hkkfjr lewgh jhfr rFkk (ii) ewY;kuqikrksa dh
Hkkfjr vkSlr jhfr }kjk 2003 o"kZ ds fy, Hkkfjr lwpdkad dk
ifjdyu dhft;s %
vk/kkj o"kZ 2003
oLrq dher la[;k ewY; la[;k
fd-xzk- fd-xzk-
A 5 10 7.5 9
B 2 20 2.4 17
C 4 5 6.0 4
D 10 7 11.0 7
8. From the following data obtain the two regression equations
and find out value of coefficient of correlation (r) :
X Y
3 9
4 11
6 14
7 15
10 16
700 6 BC-02
20
20
(ii) fuEufyf[kr leadksa ls dkyZ fi;lZu ds fo"kerk xq.kd dk
ifjdyu dhft;s %
eki vko`fÙk
10 5
11 3
12 9
13 6
14 4
15 3
7. Calculate weighted index number for 2003 of the following
data by (i) Weighted aggregative method and (ii) Weighted
average of relatives method :
Base Year 2003
Commodities Price Qty. Price Qty.
(Kg.) (Kg.)
A 5 10 7.5 9
B 2 20 2.4 17
C 4 5 6.0 4
D 10 7 11.0 7
BC-02 5 PTO
20
20