The weights of 5 people before they stopped smoking and 5 weeks after they stopped smoking, in
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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 quitssmoking.
Transcribed Image Text:
Individual 2 3 4 75 Before 66 80 69 52 73 After 71 82 68 56
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Related Book For
Probability & Statistics For Engineers & Scientists
ISBN: 9780130415295
7th Edition
Authors: Ronald E. Walpole, Raymond H. Myers, Sharon L. Myers, Keying
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