Table 7.

Ridge of steepest ascent for X1, X2, X3 independent variables, and estimated response and standard error

X1	X2	X3	Estimated cell density (105)	SE
−0.15	0.07	0.11	10.1	62346
−0.33	0.13	0.18	10.4	61381
−0.52	0.20	0.23	10.7	60421
−0.71	0.26	0.26	11.0	60558
−0.91	0.32	0.28	11.4	63278
−1.10	0.38	0.30	11.8	70025
−1.29	0.43	0.31	12.2	81626
−1.49	0.49	0.33	12.7	98153
−1.68	0.55	0.34	13.2	119266
−1.87	0.60	0.35	13.7	144554