Page 285 - DECO504_STATISTICAL_METHODS_IN_ECONOMICS_HINDI

bdkbZ—19% Hkkfjr lewgh ewY; jhfr

19-6 fiQ'kj fofèk (Fisher’s Method) uksV

bl fofèk osQ vUrxZr ySfLi;js rFkk ik'ks osQ lw=kksa dk xq.kksÙkj ekè; fy;k tkrk gSA lw=k osQ vuqlkj]
F R
| P 01 = L P 01 × P P 01
|
fiQ'kj funsZ'kkad] S F P | F Σpq Σpq I 1/2
10
11
=
| 01 G H Σpq × Σpq J K × 100
T
00
01
xq.k (Merits)
1. bl lw=k esa vkèkkj o"kZ rFkk pkyw o"kZ dh dher rFkk ek=kk nksuksa dks lfEefyr fd;k tkrk gSA
2. ;g lw=k vfHkufr (Bias) ls LorU=k gSA
nks"k (Demerits)
1. bl lw=k dk fuoZpu dfBu gSA
2. blesa vkèkkj rFkk pkyw o"kZ nksuksa dh dher o ek=kk dh vko';drk gksrh gSA

3. ;g O;kogkfjd funsZ'kkad lw=k ugha gSA
ckW¯MxVu osQ vuqlkj] ¶nqHkkZX;o'k] tcfd ;g lw=k iw.kZ funsZ'kkad lw=k dh vfèkdka'k xf.krh; fo'ks"krkvksa dks
lkekU; :i ls iwjk djrk gS] ijUrq blosQ fojksèk dk dkj.k ;g gS fd ;g Li"V ugha gS fd ;g D;k ekirk gSA
vFkkZr~ ifj.kke esa ewY; rFkk ek=kk nksuksa osQ ifjorZu 'kkfey gksrs gSa] tcfd ge lkekU;r% ,d dks nwljs ls i`Fko~Q
j[kuk pkgrs gSaA¸
mnkgj.k (Illustration) 7: fuEu vkadM+ksa ls fiQ'kj vkn'kZ lw=k }kjk 1885 osQ vkèkkj ij 1995 dk dher funsZ'kkad
Kkr dhft, %

1985 1995
oLrq (Commodity)
dher (Price) ek=kk (Quantity) dher (Price) ek=kk (Quantity)
A 12 100 20 120
B 4 200 4 240
C 8 120 12 150
D 20 60 24 50

gy (Solution)
1985 1995
oLrq p q p q p q p q
p q p q 0 0 0 1 1 0 1 1
0 0 1 1
A 12 100 20 120 1,200 1,440 2,000 2,400
B 4 200 4 240 800 960 800 960
C 8 120 12 150 960 1,200 1,440 1,800
D 20 60 24 50 1,200 1,000 1,440 1,200

;ksx 4,160 4,600 5,680 6,360
,
Σpq 5 680
ySfLi;js lw=k = 10 × 100 = × 100 = 136.5
,
Σpq 4 160
00
,
Σpq 6 360
ik'ks lw=k = 11 × 100 = × 100 = 138.3
Σpq 4 600
,
01
fiQ'kj vkn'kZ dher funZZs'kkad = 136 5. × 138 3 = 137.397 = 137.4
.
LOVELY PROFESSIONAL UNIVERSITY 279