Page 150 - DECO504_STATISTICAL_METHODS_IN_ECONOMICS_HINDI

vFkZ'kkL=k esa lkaf[;dh; fof/;k¡

uksV 2c − n
r = ±± n
c
r = laxkeh fopyu xq.kkad
c
C= laxkeh fopyuksa dh la[;k
n = fopyu ;qXeksa dh la[;k

fopyu ;qXeksa dh la[;k gj le; in&;qXeksa dh la[;k ls 1 de gksrh gSA
;fn lw=k esa (2C – n) èkukRed gS] rks oxZewy osQ vUnj ,oa ckgj oukRed fpÉ (+) gksxk ,oa blosQ Í.kkRed
fpÉ (–) dk iz;ksx fd;k tkrk gSA
mnkgj.k (Illustration) 6:
fuEu leadksa ls laxkeh fopyu xq.kkad Kkr dhft,μ

Year Supply Price
1954 150 200
1955 154 180
1956 160 170
1957 172 160
1958 160 190
1959 165 180
1960 180 172

gy (Solution):
laxkeh fopyu xq.kkad dh x.kuk

Year Supply Deviation Price Deviation Product of
Deviation

1954 150 200
1955 154 + 180 – –
1956 160 + 170 – –
1957 172 + 160 – –
1958 160 – 190 + –
1959 165 + 180 – –
1960 180 + 172 – –
n = 6 C = 0

2C − n
r = ± ± (C = 0; n = 6)
c
n
× 2 − 0 6
= ± ± = – 1 vFkkZr iw.kZ Í.kkRed lglEcUèk
6

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