Natural Variable

Coded Variable

Days

Std Run

ξ 1

ξ 2

ξ 3

x 1

x 2

x 3

y

1

20

10

35

−1

−1

−1

19

2

30

10

35

1

−1

−1

14

3

20

20

35

−1

1

−1

15

4

20

10

65

−1

−1

1

13

5

30

10

65

1

−1

1

08

6

30

20

35

1

1

−1

11

7

20

20

65

−1

1

1

10

8

30

20

65

1

1

1

06

9

33.41

15

50

1.682

0

0

13

10

16.59

15

50

−1.682

0

0

12

11

25

19.205

50

0

1.682

0

08

12

25

10.795

50

0

−1.682

0

12

13

25

15

58.41

0

0

1.682

09

14

25

15

41.59

0

0

−1.682

11

15

25

15

50

0

0

0

07

16

25

15

50

0

0

0

10

17

25

15

50

0

0

0

07

18

25

15

50

0

0

0

08

19

25

15

50

0

0

0

07