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 a 1-to-15 scale (with a higher number indicating greater effectiveness). There were two patients per cell. Use the data available below to complete parts (a) through (d) below. Click the icon to view the data table. (a) Carry out the analysis of variance (use the 0.05 significance level). Complete the analysis of variance table for the data set below. Source SS df MS F Columns 8 Rows 3.6818 - X Data Table Interaction Within 7.3333 Total 79 Therapy A Therapy B Therapy C (Round to two decimal places as needed.) Diagnosis I 2 8 Determine the cutoff value of F needed to test for a main effect for the type of therapy. Diagnosis II 11 F= (Round to two decimal places as needed.) Determine the cutoff value of F needed to test for a main effect for the diagnosis. F= (Round to two decimal places as needed.) Print Done Determine the cutoff value of F needed to test for an interaction effect. F= (Round to two decimal places as needed.)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 a 1-to-15 scale (with a higher number indicating greater effectiveness). There were two patients per cell. Use the data available below to complete parts (a) through (d) below. Click the icon to view the data table. . . . (b) Make a table of cell and marginal means. Complete the table of means below. Therapy A Therapy B Therapy C Overall Diagnosis I Diagnosis II Overall