Table 5.

Multiple Comparison Test (Tukey’s method) performed on clogging level groups from Airflow CH2 signals.

	0	20	40	60	80	100
0	1.000000	0.151323	0.416844	0.801411	0.002737	0.001000
20	0.151323	1.000000	0.900000	0.787558	0.641409	0.001000
40	0.416844	0.900000	1.000000	0.900000	0.312879	0.001000
60	0.801411	0.787558	0.900000	1.000000	0.081196	0.001000
80	0.002737	0.641409	0.312879	0.081196	1.000000	0.042081
100	0.001000	0.001000	0.001000	0.001000	0.042081	1.000000