24. The following partial ANOVA table is taken from the article Perception of Spatial Incongruity

(J. Nervous Mental Disease, 1961: 222) in which the abilities of three different groups to identify a perceptual incongruity were assessed and compared.

All individuals in the experiment had been hospitalized to undergo psychiatric treatment. There were 21 individuals in the depressive group, 32 individuals in the functional other group, and 21 individuals in the brain-damaged group. Complete the ANOVA table and carry out the F test at level a  .01.

Sum of Mean Source df Squares Square f Groups 76.09 Error Total 1123.14