Table 7.

Anaysis of variance.

Source	DF	Adj SS	Adj MS	F-Value	P-Value
Regression	6	24.3462	4.05770	11.35	0.000
POR	1	1.9412	1.94116	5.43	0.022
TAS	1	0.0384	0.03838	0.11	0.744
QOW	1	0.6563	0.65634	1.84	0.179
EJY	1	1.8530	1.85298	5.18	0.026
SIF	1	1.6500	1.65000	4.62	0.035
OAD	1	2.1992	2.19916	6.15	0.015
Error	76	27.1719	0.35752
Lack-of-Fit	75	27.1719	0.36229	*	*
Pure Error	1	0.0000	0.00000
Total	82	51.5181