Open Access
Table 3
Central tendency, dispersion and measure of variations.
| Description | Ceramic liner hole diameter | Ceramic liner inter-hole spacing | |||
|---|---|---|---|---|---|
| 1 | Number of observations (n) | 51 | 66 | ||
| 2 | Minimum value | 18.4 | 15 | ||
| 3 | Maximum value | 22.4 | 39 | ||
| 4 | Median | 20.8 | 29 | ||
| 5 | Mean | 20.8 | 27.5 | ||
| 6 | Mode | 21.1 | 27 | ||
| 7 | Standard deviation (SD) | 0.66 | 1.06 | ||
| 8 | Coefficient of variation (CV) | 3.17% | 3.85% | ||
| 9 | Standard error (SE) | 0.09 | 0.13 | ||
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