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

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.

Options Summary statistics: Column n Mean Std.dev.Median Min Max Target 3 30 2.8516667 1.22901163.015 0.69 4.99 1.89 3.99 Whole Foods 303.144 1.3665804 3.19 0.79 6.99 2 3.99 Options Hypothesis test results: oHi- H2: Mean of the difference between Target and Whole Foods Difference Sample Diff. Std. Err. DF T-Stat P-value Target- Whole Foods0.29233333 0.20678918 29 1.4136781 0.1681

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a The mean price was 314 per item atWhole Foods and 285 per item at Target ... View full answer

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