To evaluate the relationship between the length and weight of fish at length in the range of 17.6 to 43 cm is as follows: y = -0.0035x4 + 0.0.4349x3 - 17.844x2 + 323.65x -2090.5 with an R2 =. 0.9848, which means that the length of the fish, the fish's weight influences percent to 98.48
% accuracy of the test, the length and weight of the fish. The readings from the program Random tilapia number 220, to test% accurate result is a data length programs available% accuracy average of 97.13 ± SD% while information on the Weight Watchers program is% accuracy average of 92.74 ± SD% is. % accuracy has remained relatively high. And the factors that make up the 100% accuracy of the photos may not be clear. The stroke length on the fish, but not precisely the% accuracy, it is higher in the draft acceptable.
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