µ
b
=µ
s
=.1
µ
b
=µ
s
=.5
ρ
b
ρ
s
ρ
12
b=s
2
5
10
b=s
2
5
10
.2
.2
.1
715
697
693
612
612
612
.2
.5
.1
715
613
613
612
612
612
.5
.5
.5
44
44
44
22
22
22
.8
.8
.5
45
41
41
22
22
22
.8
.8
.8
21
21
21
7
7
7
Table 1:
Sample size requirements for Type I error rate 5% and power 80%. To test the hypothesis H
0
:ρ
12
=0.
