obs.

Block

x₁

x₂

x₃

y

1

1

−1

−1

−1

12.92

2

1

−1

1

1

13.91

3

1

1

−1

1

11.66

4

1

1

1

−1

14.48

5

2

−1

−1

1

10.76

6

2

−1

1

−1

14.41

7

2

1

−1

−1

12.27

8

2

1

1

1

12.13

9

3

−1

1

−1

14.22

10

3

0

−1

0

12.35

11

3

1

0

0

13.50

12

3

0

0

1

12.54

13

4

1

−1

1

10.55

14

4

−1

0

0

13.33

15

4

0

1

0

13.84

16

4

0

0

−1

14.19

17

5

−1

−1

−1

11.46

18

5

1

1

1

11.32

19

5

0

0

0

11.93

20

5

0

0

0

11.63

21

6

−1

−1

1

12.20

22

6

1

1

−1

14.78

23

6

0

0

0

14.94

24

6

0

0

0

14.61

25

7

−1

1

1

12.17

26

7

1

−1

−1

11.28

27

7

0

0

0

11.85

28

7

0

0

0

11.64