Question

The 2008 MasterIndex™ Report produced for MasterCard indicated that women spend an average of $34.21 on quick trips to the grocery store. This estimate is based on a survey of 1,000 Canadians, and you may assume that half of them were women. Assume the standard deviation is $10 and the sample data are normally distributed. Is there evidence, at the 3% level of significance, that all Canadian women spend more than $33, on average, when they make quick trips to the grocery store?


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  • CreatedJuly 12, 2015
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