Question

Section 1	Section 2	Section 3
55.4	52.7	53.7
63.4	29.7	66.9
48.7	68.4	69.4
58.5	53.7	62.8
64.3	46.4	63.4
72.8	45.5	52
56.5	51.3	55.7
67.1	32.3	62
69.1	72	60.2

α=0.05. Report the F-ratio to 3 decimal places and the P-value to 4 decimal places.
F=

P=

Compare sections 1 & 2: p=
Compare sections 1 & 3: p=
Compare sections 2 & 3: p=

Answer 1

F = 3.740

P = 0.0385

What comparison method to use here for the next three sections?

	Mean	n	Std. Dev
	61.76	9	7.605	Section 1
	50.22	9	14.157	Section 2
	60.68	9	5.889	Section 3
	57.55	27	10.873	Total
ANOVA table
Source	SS	df	MS	F	p-value
Treatment	730.494	2	365.247	3.740	.0385
Error	2,343.553	24	97.6481
Total	3,074.047	26