Page 84 - DECO504_STATISTICAL_METHODS_IN_ECONOMICS_HINDI

vFkZ'kkL=k esa lkaf[;dh; fof/;k¡

uksV
Class f cf
10—20 12 12
20—30 x 12 + x(c)
30—40 25(f) 37 + x
40—50 3y 37 + x + y
50—60 20 57 + x + y

N = 100 N = 57 + x + y

N 100
eè;dk la[;k = = = 50
2 2
i
M= l + 1 ( m − c)
f
10
36 = 30 + − ( 12 + [50 x )]
25
10
= 30 + [ 38 − ] x
25
380 − 10x
36 = 30 +
25
380 − 10x
36 – 30 =
25
6 × 25 = 380 – 10x
– 10x = 150 – 380 = – 230
230
x = = 23
10
fn;k gS] N = 100 = 57 + x + y
100 = 57 + 23 + y = 80 + y
y = 100 – 80
y = 20

vr% oxZ 20—30 dh vko`fÙk 23 ,oa oxZ 40—50 dh vko`fÙk 20 gSA
10. eè;dk dk fcUnqjs[kh; izn'kZuμeè;dk dk fu/kZj.k ^lap;h vko`fÙk oØ* [khapdj ;k xkYVu i¼fr
}kjk Hkh fd;k tkrk gSA
mnkgj.k (Illustration) 19: fuEu leadksa ls eè;dk Kkr dhft,μ

vad 1—5 6—10 11—15 16—20 21—25 26—30 31—35

Nk=kksa dh la[;k 7 10 15 30 22 20 18

gy (Solution): eè;dk fu/kZj.kμfn;s x;s leadksa esa lekos'kh oxkZUrj gS] vr% mUgsa viothZ esa cnyuk
vko';d gSA

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