Suppose we were interested in determining if there were differences in the average prices among two local supermarkets.We randomly pick six items to compare at both supermarkets.Which statistical procedure would be best to use for this study?
A)Matched-pairs t procedure
B)One-sample t test
C)Two-sample t test
D)None of the above

Question

Quizplus · Accepted Answer

The matched-pairs t procedure is best suited for this study because it compares the means of two related groups to determine if there is a statistically significant difference between these means. Here, the same items are being compared across two supermarkets, making them related or paired observations.

Suppose We Were Interested in Determining If There Were Differences