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Following complaints about the working conditions in some apparel factories both in the United States and abroad, a join government and industry commission recommended in

Following complaints about the working conditions in some apparel factories both in the United States and abroad, a join government and industry commission recommended in 1998 that companies that monitor and enforce proper standards be allowed to display a "No Sweat" label on their products. Does the presence of these labels influence consumer behavior? A survey of U.S. residents aged 18 or older asked a series of questions about how likel they would be to purchase a gament under various conditions. For some conditions, it was stated that the garment had a "No Sweat" label; for others, there was no mention of such a label. On the basis of the responses, each person was classified as a "label use" or a "label nonuser" there were 296 women surveyed. Of these, 63 were label users. On the other hand, 27 of 251 men were classified as users. (a) (2 points) Give a 95% confidence interval for the difference in the proportions. ANSWER: (b) (4 points) You would like to compare the women with the men. Set up appropriate hypotheses, and find the test staitistic and the P-value. What do you conclude? ANSWER:

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