The weights of 5 people before they stopped smoking and 5 weeks after they stopped smoking,...

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The weights of 5 people before they stopped smoking and 5 weeks after they stopped smoking, in kilograms, are as follows. Use the signed-rank test for paired observations to test the hypothesis, at the 0.05 level of significance, that giving up smoking has no effect on a person's weight against the alternative that one's weight increases if he or she quits smoking Individual 1 2 3 4 5 Before 66 80 69 52 75 After 71 82 68 56 73 The weights of 5 people before they stopped smoking and 5 weeks after they stopped smoking, in kilograms, are as follows. Use the signed-rank test for paired observations to test the hypothesis, at the 0.05 level of significance, that giving up smoking has no effect on a person's weight against the alternative that one's weight increases if he or she quits smoking Individual 1 2 3 4 5 Before 66 80 69 52 75 After 71 82 68 56 73