Question

Grocery prices of the same items were compared at Target and Whole Foods. Assume the sampling was random. The descriptive statistics are shown, and the results of a t-test are shown.
a. Compare the sample means descriptively.
b. Perform a hypothesis test to determine whether the means are significantly different using an alpha of 0.05.
c. If you were to find a 95% confidence interval for the mean difference, would it capture 0? Explain.


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  • CreatedJuly 16, 2015
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