Task 4 Performance Time Anova: Single Factor Summary
Groups	Count	Sum	Average	Variance	Std Dev	95% Confid
Fisheye	18	491	27.28	84.09	9.17	4.24
Table Lens	18	767	42.61	1162.49	34.10	15.75
Treemap	18	542	30.11	308.69	17.57	8.12
ANOVA
Source of Variation	SS	df	MS	F	P-value	F crit
Between Groups	2396.33	2	1198.17	2.31	0.11	3.18
Within Groups	26439.67	51	518.42
Total	28836.00	53
Task 4: Error Rate Mean Comparison Anova: Single Factor
Groups	Count	Sum	Average	Variance	Std Dev	95% Confid
Fisheye	18	0	0	0	0	0
Table Lens	18	0	0	0	0	0
Treemap	18	3	0.17	0.15	0.38	0.18
ANOVA
Source of Variation	SS	df	MS	F	P-value	F crit
Between Groups	0.33	2	0.17	3.40	0.04	3.18
Within Groups	2.50	51	0.05
Total	2.83	53
t-Test: Paired Two Sample for Means
	Fisheye	Table Lens	Fisheye	Treemap	Table Lens	Treemap
Mean	0	0	0	0.17	0	0.17
Variance	0	0	0	0.15	0	0.15
Observations	18	18	18	18	18	18
df	17		17		17
t Stat	n/a		-1.84		-1.84
P(T<=t) one-tail	n/a		0.04		0.04
t Critical one-tail	n/a		1.74		1.74
P(T<=t) two-tail	n/a		0.08		0.08
t Critical two-tail	n/a		2.11		2.11