Table 9 Analysis of variance (ANOVA) between and within cannabis samples at 95% confidence level
From: Levels of selected metals in leaves of Cannabis sativa L. cultivated in Ethiopia
df | F | Significance | |
|---|---|---|---|
Ca | |||
Between samples | 3 | 55 | 0.000 |
Within samples | 8 | ||
Total | 11 | ||
Zn | |||
Between samples | 3 | 6 | 0.022 |
Within samples | 8 | ||
Total | 11 | ||
Ni | |||
Between samples | 3 | 5 | 0.034 |
Within samples | 8 | ||
Total | 11 | ||
Cu | |||
Between samples | 3 | 6 | 0.022 |
Within samples | 8 | ||
Total | 11 | ||
Cd | |||
Between samples | 3 | 19 | 0.001 |
Within samples | 8 | ||
Total | 11 | ||
Pb | |||
Between samples | 3 | 4 | 0.068 |
Within samples | 8 | ||
Total | 11 | ||
Cr | |||
Between samples | 3 | 19 | 0.001 |
Within samples | 8 | ||
Total | 11 | ||