Kombucha

I

II

III

IV

V

Target (g/L)

0.04

2.25

5.04

6.02

9.02

No. laboratories

7

8

7

8

6

No. of replicates

14

16

14

16

12

Grand mean, g/L

0.031

2.41

5.56

6.57

9.53

s(r), g/L

0.003

0.09

0.21

0.27

0.04

s(R), g/L

0.005

0.24

0.44

0.49

0.60

RSD(r), %

8.36

3.64

3.72

4.08

0.42

RSD(R), %

14.5

9.78

7.96

7.42

6.33