Page 278 - DSOC404_METHODOLOGY_OF_SOCIAL_RESEARCH_HINDI

lkekftd 'kks/ dh i¼fr

uksV 22 $ 2 4

24 $ 4 16
26 $ 6 36

28 $ 8 64

30 $ 10 100
32 $ 12 144

2
N = 12 åd´ = 12 åd = 584
∑ ´ d 2  ∑ ´ d  2
s = −   
N N 

iz'u eas
2
åd´ = 584
åd´= 12
N =12

584  12 2
s = −  
12  12

−
s = 48.66 (1) 2
−
= 48.66 1
= 47.66

s = 6.9 (yxHkx)

(c) [kafMr Js.kh (Discrete Series)

mnkgj.k 5- fuEufyf[kr izkIrkad vkSj muosQ uhps mudh vko`fÙk nh xbZ gSaA ekud fopyu (Standard
Deviation) dh x.kuk dhft,A

izkIrkad% 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 (Score)
vko`fÙk (frequency) 1 0 0 2 1 2 3 2 3 4 6 8 7 5 2 1 3

gyµ(Solution)
izR;{k fofèk (Direct Method)

∑ fd 2
lw=k s =
N

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