Fifty-five customers of a large-chain grocery store are asked to fill out an in-store survey. One of the  questions on the survey asks about the use of coupons (yes or no), while another question asks how much  money the customer spent on groceries during that specific trip. A store management hypothesizes that  people that use coupons actually spend more money, on average.  H0__________________ Ha__________________ Test Statistics ______________

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A:

Q: Citizens of a country were asked if they thought unemployment would increase, and 46% thought that…

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Q: A CBS News poll conducted June 10 and 11, 2006, among a nationwide random sample of 651 adults,…

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