Page 242 - DSOC404_METHODOLOGY_OF_SOCIAL_RESEARCH_HINDI

lkekftd 'kks/ dh i¼fr

uksV lkj.kh 27-4

etnwjh deZpkfj;ksa etnwjh oxk±s osQ dfYir ekè; (A = fopyu rFkk
(:i;ksa esa) dh la[;k eè;eku 75) ls eè;ekuksa deZpkfj;ksa dh

(f) (x) (x) dk fopyu la[;k (vko`fÙk)
(x – A = d) dk xq.kuiQy
(fd)

 50 60
+
50µ60 8   2  ¾ 55 (55&75) ¾ µ 20 8 × µ20 ¾ µ 160

 60 70
+
60µ70 10   2  ¾ 65 (65&75) ¾ µ 10 10 × µ10 ¾ µ 100


 70 80
+
70µ80 16   2   ¾ 75A (75&75) ¾ $ 0 16 × 0 ¾ 0

 80 90
+
80µ90 14   2  ¾ 85 (85&75) ¾ $ 10 14 × 10 ¾ $ 140

+
 90 100

90µ100 10   2  ¾ 95 (95&75) ¾ $ 20 10 × 20 ¾ $ 200

+
 100 110
100µ110 15   2   ¾ 105 (105&75) ¾ $ 30 5 × 30 ¾ $ 150

+
 110 120
110µ120 2   2   ¾ 115 (115&75) ¾ $ 40 2 × 40 ¾ $ 80

∑ vFkkZr~ ∑ fd ¾ ($ 570

n = 65 µ 260) ¾ 310

laf{kIr fofèk }kjk lekUrj ekèo (M) dk lw=kµ

∑ f d ∑ f d
M = A + ∑ f vFkok A + n

;gk¡ A = 75 (dfYir ekè;)
∑ fd = + 310
∑ f ;k n = 65 (deZpkfj;ksa dh oqQy la[;k)

236 LOVELY PROFESSIONAL UNIVERSITY