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| Number | Minimum | Maximum | Mean | Std. Deviation | Variance | ||
|---|---|---|---|---|---|---|---|
| 7 days | Group A | 20 | 3.40 | 13.10 | 8.585 | 2.77456 | 7.698 |
| Group B | 19 | 3.40 | 9.60 | 6.4158 | 1.58404 | 2.509 | |
| Group C | 20 | 4.70 | 9.60 | 6.9050 | 1.23394 | 1.523 | |
| 14 days | Group A | 20 | 8.90 | 27.90 | 16.5960 | 4.90350 | 24.044 |
| Group B | 19 | 7.30 | 16.10 | 12.2389 | 2.28671 | 5.229 | |
| Group C | 20 | 10.50 | 16.50 | 13.6850 | 1.79891 | 3.236 |
