B

C

D

Ca/P(T = 60)

Ca/P (T = 90)

Y ¯

σ2∙104

1

−1

−1

−1

1.626

1.595

1.6105

4.805

2

−1

−1

1

1.563

1.607

1.585

9.68

3

−1

1

−1

1.612

1.616

1.614

0.08

4

−1

1

1

1.658

1.615

1.6365

9.245

5

1

−1

−1

1.661

1.622

1.6415

7.605

6

1

−1

1

1.636

1.664

1.65

3.92

7

1

1

−1

1.586

1.659

1.6225

26.645

8

1

1

1

1.739

1.615

1.677

76.88

Average

1.635

1.624