Table 3.
Comparison of microbial colonies at different positions
| Position of agar plates | Mean±SD | Range | Difference in means | ||
|---|---|---|---|---|---|
|
|
|||||
| Position 2 | Position 3 | Position 4 | |||
| 1 | 14.90±11.42 | 13.25-16.80 | 169.01*** | 269.18*** | 93.31*** |
| 2 | 183.93±111.38 | 20.00-357.00 | 100.16*** | 75.80*** | |
| 3 | 284.09±137.78 | 30.00-132.00 | 175.96*** | ||
| 4 | 108.13±85.49 | 37.00-205.00 | |||
***
Very highly significant (P<0.001). Mean microbial colonies at various positions in different groups are not similar, differ significantly from each other at P (<0.05). SD - Standard deviation; P - Probability value