Hypothetical Sample 4: Science Fiction Film Survey Responses Response ("Did you like the film?") Yes No TOTAL Self-reported Science Fiction Very Knowledgeable 260 140 400 Knowledge Level Moderately Knowledgeable 150 100 250 Having Little to No Knowledge 190 160 350 TOTAL 600 400 100017:08 Mon 29. Nov 32 % Step 4: Chi-square value