ILLUSTRATION. Calculate the coefficient of correlation between the age of husbands and wives: (BSEH 2016 21 22 28 32 35 36 Age of Husband (Years) Age of Wife (Years) 32 20 18 31 25 30
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Answer:
Age of
husbands (X)
23
27
28
29
30
31
33
35
36
39
311
Age of
wives (Y)
18
22
23
24
25
26
28
29
30
32
257
ΣΧ = 311, ΣΥ = 2
[XY = 8171
N = 10
Chapt
y²
324
484
529
576
625
676
784
841
900
1024
6763
XY
529
729
784
841
900
961
1089
1225
1296
1521
9875
414
594
644
696
750
806
924
1015
1080
1248
8171
75, XY² = 6763,
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