Table 2 Relationships between biometric variables of Lithophaga lithophaga from the Bay of Bizerte (sexes separated)
| Biometric variables | y = bx a/log y = a log x + log b | t | P | Type of growth | |
|---|---|---|---|---|---|
| Female (N = 469) | Male (N = 506) | ||||
| W on L |
y = 0.357x
0.9476
r = 0.96 |
y = 0.2772 x
1.0027
r = 0.97 | 13.789 F/0.682 M | <0.001F/n. s. M | −/= |
| H on L |
y = 0.2022x
1.0568
r = 0.95 |
y = 0.1454x
1.1281
r = 0.96 | 14.507 F/29.553 M | <0.001 | +/+ |
| S d. w. on L |
log y = 2.403 log x − 3.734 r = 0.95 |
log y = 2.703 log x − 4.294 r = 0.96 | 15.876 F/8.384 M | <0.001 | −/− |
| ST d.w. on L |
log y = 2.452 log x − 4.476 r = 0.87 |
log y = 2.653 log x − 4.877 r = 0.91 | 8.606 F/6.407 M | <0.001 | −/− |
| T w.w. on L |
log y = 2.405 log x − 3.31 r = 0.94 |
log y = 2.622 log x − 3.749 r = 0.95 | 15.287 F/9.874 M | <0.001 | −/− |