Table A4.

t-Test: two samples with different variances, comparison between their f values, part 2.

	S75F100L5	S75F150L5	S75F100L15	S75F150L15	S100F100L5	S100F150L5	S100F100L15	S100F150L15	S125F100L5	S125F150L5	S125F100L15	S125F150L15
Mean	0.448	0.502	0.631	0.533	0.578	0.605	0.859	0.827	0.595	0.975	0.659	1.073
Variance	0.000	0.002	0.002	0.003	0.003	0.007	0.001	0.001	0.003	0.012	0.002	0.012
Observations	5	5	5	5	5	5	5	5	5	5	5	5
Hypothesised Mean Difference	0		0		0		0		0		0
df	5		8		7		8		6		5
t Stat	−2.295		3.238		−0.608		1.571		−6.987		−7.607
P(T <= t) one-tail	0.035		0.006		0.281		0.077		0.000		0.000
t critical one-tail	2.015		1.860		1.895		1.860		1.943		2.015
P(T <= t) two-tail	0.070		0.012		0.563		0.155		0.000		0.001
t critical two-tail	2.571		2.306		2.365		2.306		2.447		2.571