A random sample of 500 individuals was taken to investigate whether smoking and alchohol drinking are...
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A random sample of 500 individuals was taken to investigate whether smoking and alchohol drinking are related. The following results are obtained: (7) Heavy Driknker Mod Driknker Non Driknker Total Heavy Smoker Mod Smoker Non Smoker 62 6 8 159 20 175 90 340 20 40 10 70 Test the hypothesis that alchohol drinking and smoking are indepen- dent. X4,0.05 = 9.4888, X3,0.05 = 15.507, X9,0.05 Total 88 207 205 500 = 16.919 A random sample of 500 individuals was taken to investigate whether smoking and alchohol drinking are related. The following results are obtained: (7) Heavy Driknker Mod Driknker Non Driknker Total Heavy Smoker Mod Smoker Non Smoker 62 6 8 159 20 175 90 340 20 40 10 70 Test the hypothesis that alchohol drinking and smoking are indepen- dent. X4,0.05 = 9.4888, X3,0.05 = 15.507, X9,0.05 Total 88 207 205 500 = 16.919
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Related Book For
Elementary Statistics
ISBN: 978-0538733502
11th edition
Authors: Robert R. Johnson, Patricia J. Kuby
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