Table 6: Estimated values of coefficients for response Y.

CoefficientValueF. inflationEcart-Typet. exp.Significance %

b03.16480.174585818.13<0.01
b12.73981.410.1951928614.04<0.01
b20.85261.130.169041985.040.395
b3−0.32901.410.19519286−1.6915.3
b4−5.21741.230.2618787−19.92<0.01
b51.51161.130.169041988.940.0291

t. exp indicates the experimental value of the student rapport calculated as follows: t. exp = value/Ecart-Type. Statistically significant at the level <99.99%. Statistically significant at the level 99%.