TABLE 2.

Test for “goodness of fit” of the mathematical model

	Larval reduction
Days Post treatment	Pollution level		Predicted values		Difference
	Moderate	High	Moderate	High	Moderate	High
0	300	300	309.86	308 57	−9.86	−8.57
7	282	267	283.29	273.43	−1.29	−6.43
14	258	246	256.72	238.29	1.28	7.71
21	237	219	230.14	203.15	6.86	15.85
28	225	168	203.57	168.01	21.43	−0.01
35	174	138	177.00	132.87	−3.00	5.13
42	135	84	150.43	97 73	−15.43	−13.73
Differences between observed values and those predicted by model

Pollution level	Sum of differences	Average difference
Moderate	−0.01	−0.0014
High	−0.05	−0.0071