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bdkbZ—7% ekè; fopyu ,oa izeki fopyu
eè;dk (M) = Size of G F H N+ 1I J th item = 10 + 1 = 5.5 item uksV
2 K
th
2
th
th
Value of 5 item + Value of 6 item
=
2
46 + 50 96
= = 48
2 2
fujh{k.k }kjk cgqyd ewY; Z = 57.
ekè; fopyu dh y?kq jhfr }kjk x.kukμ
S. No. Size X = 45 ls ifjdyu M = 48 ls ifjdyu Z = 57 ls ifjdyu
20
1. 20 20 O 20 O 23 O
B P
2. 23 23 P ΣX = 105 23 P ΣX = 201
B
B
3. 30 30 P P N = 4 30 P ΣX = 151 30 N = 6
P
B
B
4. 32 32 Q 46 Q N = 5 32 P
32
B
Q
5. 46 46 A O 46 P
50
6. 50 50 ΣX = 345 57 O 50
7. 57 57 P N = 6 57 P SX = 299 57
A
A
8. 57 57 P N = 5 57
A
57
9. 57 78 P 57 P 57
Q
10. 78 Q 78 P 78 O P ΣX = 78
A
Q P P N = 1
B
N = 10 ∑X = 450
lekUrj ekè; ls ekè; fopyu (Mean Deviation from Mean)
∑ − X ∑ − X ( −N N ) X 345 − 105 − ( 6 − 4 45
)
δ = A B A B =
X N 10
345 − 105 − ( 2 × 45) 150
δ = = = 15
X 10 10
δ 15
C of δ = X = = 0.333
X X 45
eè;dk ls ekè; fopyu
)
∑ − X ∑ − X ( −N N ) M 299 − 151 − 5 − ( 5 48 299 − 151
δ = A B N A B = 10 = 10
M
148
δ = 10 = 14.8
M
δ 14.8
M
C of δ = M = 48 = 0.308
M
cgqyd }kjk ekè; fopyu
∑ − X ∑ − X ( −N N ) Z − 78 − 201 (1 6 57
−
)
δ = A B A B =
Z N 10
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