12. (1 pt) Below are two (a and b) sets of cells of 2 X 2 contingency tables including the expected frequencies. Identify which statistical procedure would be appropriate for each, using the most conservative approach. a. Room Type infection Concrete Linoleum Yes 2 20 % within Infection (9.091%) (90.91%) % within Room Type (5.882%) (22.47%) % of Total (1.626%) (16.26%) Expected Counts 6.08 15.9 No 32 69 % within Infection (31.68%) (68.32%) % within Room Type (94.12%) (77.53%) % of Total (26.02%) (56.1%) Expected Counts 27.9 73.1 b Smoker Diabetes No Yes Yes 2 6 % within Diabetes (25%) (75%) % within Smoker (4.878%) (14.63%) % of Total (2.439%) (7.317%) Expected Counts 4 No 39 35 % within Diabetes (52.7%) (47.3%) % within Smoker (95.12%) (85.37%) % of Total (47.56%) (42.68%) Expected Counts 37 37