2) There is an association between smoking and lung cancer as proven by multiple studies. From yo...

2) There is an association between smoking and lung cancer as proven by multiple studies. From your research, you'd like to determine now if lung cancer is related to having Alzheimer's disease in elderly people 70 years and older. Test your hypothesis at 5% significance level. HO: Hypotheses H1: а Test Statistic Chi-square test for independence (association) Critical value/region df = Compute the test Statistic x2 = p-value = Statistical Decision Conclusion

o Alzheimer's Disease Positive Negative TOTAL Lung Cancer Positive Negative TOTAL E Alzheimer's Disease Positive Negative Lung Cancer Positive Negative (0-E)^2 / E Alzheimer's Disease Positive Negative Lung Cancer Positive Negative TOTAL round off to the nearest hundredths

DATA SET Subject 1 2 Alzheimer's Disease No Lung Cancer No No No No Yes 3 4 No No 5 No No 6 No 7 8 9 No Yes No No No Yes Yes No Smoker No Yes Yes No No Yes Yes Yes No No No Yes No Yes No Yes No No 10 11 12 13 14 Yes 15 16 17 18 19 No No Yes Yes Yes Yes No Yes Yes Yes No No No Yes Yes Yes No No Yes No Yes No Yes Yes No No No Yes No Gender Male Male Male Female Female Male Female Male Female Female Male Male Female Female Female Female Male Male Female Male Female Male Female Male Female Male Female Female Female Male Male Female Female Female Male Female Female Female Female Female Male Female Female 20 21 22 23 Yes Yes No No Yes 24 Yes 25 No No 26 27 28 No 29 Yes No Yes Yes No 30 No No No No No No No Yes Yes Yes No No No Yes Yes 31 Yes 32 33 34 No Yes No Yes Yes Yes No Yes No Yes Yes Yes No No Yes 35 36 37 38 39 40 41 42 43 No No Yes Yes Yes No No No No Yes No Yes No No Yes Yes No

44 No No Yes No No No No Yes Yes 45 46 47 48 49 50 Yes No Yes No No No Yes No Yes No Yes No No Yes Yes No No No No No Yes Yes No Yes No No Male Female Male Male Male Male Female Male Female Female Male Female Female Male Female Male Female Female Female Male Male Female Female Male Female Male Female Yes Yes Yes No Yes No Yes Yes Yes No 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 No Yes Yes Yes No No No Yes No NO No No No Yes No No Yes No Yes No Yes Yes No Yes No No No Yes Yes Yes No Yes No Yes 70 Yes Yes