Equivalence Test Calculations for Sampling Points 2 & 3: Square Root–Transformed Count Data
| Point 2 – Sqrt(CFU) | Point 3 – Sqrt(CFU) | |||||
|---|---|---|---|---|---|---|
| PC | GD | Diff | PC | GD | Diff | |
| Data | 2.83 | 1.00 | −1.83 | 0.00 | 0.00 | 0.00 |
| 1.00 | 0.00 | −1.00 | 0.00 | 0.00 | 0.00 | |
| 1.00 | 2.65 | 1.65 | 2.65 | 2.00 | −0.65 | |
| 0.00 | 1.41 | 1.41 | 1.41 | 1.00 | −0.41 | |
| 1.41 | 1.00 | −0.41 | 2.45 | 2.00 | −0.45 | |
| 1.00 | 1.00 | 0.00 | 3.46 | 3.87 | 0.41 | |
| 1.00 | 1.41 | 0.41 | 1.41 | 1.41 | 0.00 | |
| 1.41 | 1.00 | −0.41 | 1.73 | 1.00 | −0.73 | |
| 1.73 | 1.00 | −0.73 | 2.45 | 2.83 | 0.38 | |
| 1.00 | 1.00 | 0.00 | 3.00 | 2.24 | −0.76 | |
| 1.41 | 1.73 | 0.32 | 0.00 | 0.00 | 0.00 | |
| 1.41 | 1.00 | −0.41 | 3.87 | 3.32 | −0.56 | |
| 1.41 | 0.00 | −1.41 | 3.16 | 2.24 | −0.93 | |
| 1.00 | 1.00 | 0.00 | 2.00 | 2.45 | 0.45 | |
| 0.00 | 1.41 | 1.41 | 2.00 | 2.45 | 0.45 | |
| 1.00 | 1.00 | 0.00 | 4.47 | 3.61 | −0.87 | |
| 1.73 | 1.00 | −0.73 | 3.00 | 2.65 | −0.35 | |
| 1.00 | 1.00 | 0.00 | 2.24 | 2.45 | 0.21 | |
| 1.41 | 1.73 | 0.32 | 3.32 | 3.74 | 0.43 | |
| 0.00 | 1.00 | 1.00 | 2.65 | 3.00 | 0.35 | |
| Averages | 1.14 | 1.12 | −0.02 | 2.26 | 2.11 | −0.15 |
| Max | 2.83 | 2.65 | 1.65 | 4.47 | 3.87 | 0.45 |
| Min | 0.00 | 0.00 | −1.83 | 0.00 | 0.00 | −0.93 |
| Number of pairs | 20 | 20 | ||||
| Average difference | −0.02 | −0.15 | ||||
| Standard deviation | 0.92 | 0.49 | ||||
| Standard error | 0.205 | 0.110 | ||||
| t statistic | 1.729 | 1.729 | ||||
| Upper confidence limit | 0.33 | 0.04 | ||||
| Lower confidence limit | −0.38 | −0.34 | ||||
| As % of PC mean | ||||||
| Average difference | −1.9% | −6.7% | ||||
| Upper confidence limit | 29.3% | 1.7% | ||||
| Lower confidence limit | −33.0% | −15.1% | ||||