Using the partially completed analysis of variance and table of means provided below, answer the following...

Using the partially completed analysis of variance and table of means provided below, answer the following questions. Use the .05 significance level. All three groups have the same sample size.

Source	SS	df	MS	F
Treatment				4.3669
Error			9.03
Total		29

	Group
	A	B	C
sample mean	278.3	275.4	274.5

10. Find the value of LSD for comparing Groups A and B.

11. Is the difference between groups A and B significant?

yes
		no
		maybe?
		Antidisestablishmentarianism

12. What's the value of SSTR?

13. What's the value of SSE?

Solutions

Expert Solution

Source	SS	df	MS	F
treatment	78.8662	2	39.4331	4.3669
Error	243.8100	27	9.030
total	322.6762	29

10)

pooled standard deviation =Sp =√MSE =

3.005

critical value of t with 0.05 level and N-k=27 degree of freedom=				t_N-k=	2.052
Fisher's (LSD) for group i and j = (t_N-k)(sp√(1/ni+1/nj) =					2.758

11)

Yes

12)

value of SSTR =78.8662

13)

value of SSE =243.8100

orchestra answered 1 year ago

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