Page 270 - DSOC404_METHODOLOGY_OF_SOCIAL_RESEARCH_HINDI

lkekftd 'kks/ dh i¼fr

uksV 109
=
11
= 9.91
vr% ekè;e fopyu (d) = 9.91 #i;s
(iii) cgqyd dks vkèkkj ekudjµizLrqr iz'u esa cgqyd ls ekè; fopyu Kkr djus osQ fy;s loZizFke cgqyd
Kkr djuk gksxk] tks fuEu izdkj ls Kkr fd;k tk;sxkµ

ewY;kas dks ,d Øe esa j[kus ijµ
120] 125] 135] 135] 135] 142] 146] 148] 150] 155] 160 A
mijksDr Øeksa ls Li"V gS] fd ;gk¡ ij 135 lcls vfèkd ckj iz;ksx gqvk gS] vkSj bldh vko`fÙk lokZfèkd vFkkZr~
rhu ckj gSA vr% ;gh cgqyd gksxkµ
\ Mo = 135 #i;s
vc bl cgqyd dks è;ku esa j[krs gq, ekè; fopyu Kkr djus osQ fy;s gesa fuEu rkfydk cukuk gksxkµ

etnwjh #ú esa (x) cgqyd ewY; (Mo) (x – Mo) = (d)*

120 135 (120 – 135) = 15
125 135 (125 – 135) = 10
135 135 (135 – 135) = 0
135 135 (135 – 135) = 0
135 135 (135 – 135) = 0
142 135 (142 – 135) = 7
146 135 (146 – 135) = 11
148 135 (148 – 135) = 13
150 135 (150 – 135) = 15
155 135 (155 – 135) = 20
160 135 (160 – 135) = 25
n = 11 å å å å åd = 116

uksV~l blosQ x.kuk esa $ vFkok µ dk dksbZ è;ku j[kus dh vko';drk ughaA

vc ekè; fopyu dk lw=k yxkrs gq, ekè; fopyu Kkr djsaxsµ
∑ d
d =
n
;gk¡] åd = 116
n = 11 (etnwjksa dh la[;k)
116
\ d =
11
= 10.54

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