Treatment

1

2

3

4

-0.6

1.8

1.0

4.2

0.2

0.4

4.2

1.8

-1.0

*

1.4

4.4

-0.2

3.6

2.6

1.8

1.4

3.8

1.8

3.5

size

5

4

5

5

sum

-0.2

9.6

11.0

15.7

ssq

3.40

30.80

30.60

55.73

mean

-0.04

2.40

2.20

3.14

variance

0.848000

2.586667

1.600000

1.608000

std_dev

0.920869

1.608312

1.264911

1.268069