Page 45 - DECO504_STATISTICAL_METHODS_IN_ECONOMICS_HINDI

bdkbZ—3% vk¡dM+ksa dk oxhZdj.k ,oa lkj.kh;u % vko`fÙk ,oa lap;h vko`fÙk forj.k

uksV
mi;qZDr leadksa dh lgk;rk ls viothZ rFkk lekos'kh jhfr }kjk 3-3 dk oxZ&foLrkj ysrs gq;s lrr vko`fÙk forj.k
rS;kj dhft;sA
gy (Solution): loZizFke leadksa dks vkjksgh Øe esa foU;kflr fd;k tk;sxkA
7 8 8 9 9 10 10 11 11 12 12 12 13 13 13
13 14 14 15 16 16 16 16 17 17 18 19 20 20 21
vc 3 dk oxZ&foLrkj (i) ysdj oxkZUrjksa dh jpuk dh tk;sxhμ

viothZ rFkk lekos'kh jhfr }kjk lrr vko`fÙk caVu dh jpuk

viothZ jhfr lekos'kh jhfr
Weights Tallies f Weights Tallies f
6–9 ||| 3 7–9 |||| 5
9–12 |||| | 6 10–12 |||| || 7

12–15 |||| |||| 9 13–15 |||| || 7
15–18 |||| || 7 16–18 |||| || 7
18–21 |||| 4 19–21 |||| 4
21–24 | 1 22–24 — 0

N or Σf = 30 N or Σf = 30

Åij lekos'kh jhfr osQ dkWye esa osQoy ik¡p oxkZUrj gh rS;kj fd;s tk;saxs] D;ksafd vfUre oxZ dh vko`fÙk 'kwU;
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gSA gk¡! ;fn oxZ&lhek;sa 6-8, 8-11, j[kh tk;sa] rc 6 oxZ rS;kj gksaxs vkSj mudh vko`fÙk;k¡ Øe'k% 3, 6, 9, 7,
4 o 1 gksaxhA

3-6 lk/kj.k vFkok lap;h vko`fÙk Ük`a[kyk (Ordinary or Cumulative Frequency
Series)

lap;h vko`fÙk Ük`a[kyk (Cumulative Frequency Series) igys okys lewg esa ;k vxys lewg esa bdkb;k¡ tksM+dj
cukbZ tkrh gSA ;g fofHkUu lewgksa dh vko`fÙk;ksa dk ;ksx gSA ;g Ük`a[kyk ;k rks (i) ¶ls de¸ (Less than) vFkok
(ii) ¶ls vf/d¸ (More than) osQ :i esa rS;kj dh tkrh gSA mijksDr mnkgj.k ysdj ge nksuksa izdkj dh lap;h
vko`fÙk;ksa dh Ük`a[kyk fuEufyf[kr :i ls rS;kj dj ldrs gSaμ
¶ls de¸ lap;h vko`fÙk rkfydk (Less than Cumulative Frequency Table)

izkIr vad feyku js[kk;sa fon~;kfFkZ;ksa dh la[;k
(Marks Obtained) (Tally-Bars) (No. of Students)

250 ls de || 02
300 ’’ ’’ |||| ||| 08
350 ’’ ’’ |||| |||| |||| 15
400 ’’ ’’ |||| |||| |||| |||| 20
450 ’’ ’’ |||| |||| |||| |||| |||| 25

LOVELY PROFESSIONAL UNIVERSITY 39