Table 3.

The analysis of variance for the parameters characterizing the PSD of pulverized oat husk.

Parameter	Source of Variance	Sum of Squares	Degrees of Freedom	Mean Square	F-Test	p-Value
d10	vd *	5.34	3	1.78	283	0.0001
	vk	27.06	5	5.41	859	0.0001
	vd·vk	17.43	15	1.16	184	0.0001
	Error	0.756	120	0.006	-	-
d50	vd	943.5	3	314.5	692.4	0.0001
	vk	4976.3	5	995.3	2191.3	0.0001
	vd·vk	3592.5	15	239.5	527.3	0.0001
	Error	54.5	120	0.5	-	-
d90	vd *	23.225	3	7742	647.4	0.0001
	vk	147.444	5	29.489	2466	0.0001
	vd·vk	94.26	15	6284	525.5	0.0001
	Error	1435	120	12	-	-
Span	vd *	21.1	3	7.04	813.6	0.0001
	vk	11.3	5	2.26	260.5	0.0001
	vd·vk	27.4	15	1.83	211.6	0.0001
	Error	1.04	120	0.009	-	-

* v_d—speed of the disc, v_k—speed of the classifier.