Satisfaction Anova: Single Factor Summary
Groups	Count	Sum	Average	Variance	Std Dev	95% Confid
Fisheye	18	77	4.28	5.27	2.30	1.06
Table Lens	18	127	7.06	3.70	1.92	0.89
Treemap	18	112	6.22	4.07	2.02	0.93
ANOVA
Source of Variation	SS	df	MS	F	P-value	F crit
Between Groups	73.15	2	36.57	8.41	0.00	3.18
Within Groups	221.67	51	4.35
Total	294.81	53
t-Test: Paired Two Sample for Means
	Fisheye	Table Lens	Fisheye	Treemap	Table Lens	Treemap
Mean	4.28	7.06	4.28	6.22	7.06	6.22
Variance	5.27	3.70	5.27	4.07	3.70	4.07
Observations	18	18	18	18	18	18
df	17		17		17
t Stat	-4.28		-3.57		1.44
P(T<=t) one-tail	0.00		0.00		0.08
t Critical one-tail	1.74		1.74		1.74
P(T<=t) two-tail	0.00		0.00		0.17
t Critical two-tail	2.11		2.11		2.11