Therapy A B C

Diagnosis I	1	8	5
	5	2	3
Diagnosis II	8	9	6
	12	13	12

Patients with two kinds of diagnoses were randomly assigned to one of three types of therapy and the effectiveness of the therapy was measured on a1-to-15 scale(with a higher number indicating greatereffectiveness). There were two patients per cell. Use the data available below to complete parts(a) through(c) below

(a) Carry out the analysis of variance(use the 0.05 significancelevel). Complete the analysis of variance table for the data set below.

https://lh6.googleusercontent.com/proxy/E9vDzUmmowfhs-

Source	SS	df	MS	F
Columns
Rows
Interaction
Within
Total

(b) Make a table of cell and marginal means.

(c) Make a bar graph of the results.