Question

The table shows the prices of identical groceries at 7-Eleven and at Vons.
a. Test the hypothesis that the mean price at 7-Eleven is more than the mean price at Vons, at the 0.05 level. Assume that the sampling is random and the samples are Normal.
b. Although a two-sample t-test is not appropriate for this data set, do it anyway to see what happens.
c. Compare the results and explain.


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  • CreatedJuly 16, 2015
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