On Calculations please always round back from 4 to 3 decimal places during the calculations, do NOT round to whole numbers ever : ALL Calculation steps keep to 3 decimals - so go out 4 round back to 3. on final answer C. 1: Male yes: Observed (O) = 28 Expected (E)= 27.41 Chi 2 = (28 - 27.41)2. / 27.41 = 0.0125 2: Femal yes: Observed = 25 Expected = 25.59 Chi 2 = (25 - 25.59)^2. / 25.59 = 0.0135 3: Male No Observed = 32 Expected = 32.59 Chi 2 = (32 - 32.59)^2. / 32.59 = 0.0107 4: Female No Observed= 31 Expected 30.41 Chi 2 = (31 - 30.41)^2. / 30.41 = (0.0114)