For each analysis, I want to write out the null hypothesis, explain what the analysis is looking at, calculate anything I think needs calculating (like expected cell counts), identify whether I think the null is right, and then tell the manager what the results mean.

For each analysis, I want to write out the null hypothesis, explain what the analysis is looking at, identify whether I think the null is right, and then tell my manager what the results mean. 1. Crosstab with Chi Square Observed Values Men Women Yes 30 20 Chi Square = 4.0 p = .045 Bought our Brand? No 20 30 2. Crosstab with Chi Square Observed Values Men Women Yes 38 12 Chi Square = .092 p = .50 Bought our Brand? No 32 18 3. Crosstab with Chi Square Observed Values South North West Coast Chi Square = 160 Brand A 20 80 20 p = .000 Brand Most Preferred? Brand B Brand C 20 80 30 10 70 30 4. Crosstab with Chi Square Observed Values Brand A 90 45 45 South North West Coast Chi Square = 45.2 5. t-test Brand Most Preferred? Brand B Brand C 75 75 8 7 7 8 p = .000 Men Women Mean Satisfaction with Our Experience 5.7 3.2 t = 5.7 p = .007 6. t-test Heavy Users Light Users t = 7.5 Mean Satisfaction with Our Experience 4.6 7.8 p = .005 7. t-test Single Married Mean Satisfaction with Our Experience 4.9 6.4 t = 2.75 p = .35 8. Oneway ANOVA Average Happiness 100% loyal (1) 22.6 Source Between Groups Within Groups Total Variation 157 463.2 620.2 Type of Customer Switcher (2) 20.2 Non-buyer (3) 15.7 F 6.54 p .035 Post hoc tests 1 vs 2 p = .73 1 vs 3 p = .03 2 vs 3 p = .05 9. Oneway ANOVA Average Happiness Freshman (1) 15.3 Source Between Groups Within Groups Total Variation 109 969 1078 Post hoc tests 1 vs 2 1 vs 3 1 vs 4 2 vs 3 2 vs 4 3 vs 4 p = .073 p = .014 p = .085 p = .001 p = .010 p = .049 Type of Business Student Sophomore (2) Junior (3) 10.8 25.4 F 4.99 p .027 Senior (4) 20.9 10. Oneway ANOVA Average Perceived Challenge Source Between Groups Within Groups Total Post hoc tests 1 vs 2 1 vs 3 1 vs 4 2 vs 3 2 vs 4 3 vs 4 p = .73 p = .14 p = .85 p = .10 p = .46 p = .49 Freshman (1) 4.2 Variation 5.89 254.3 260.19 Type of Business Student Sophomore (2) Junior (3) 4.7 3.6 F 1.89 p .76 Senior (4) 4.2