A Local Consumer Reporter Wants to Compare the Average Costs $\text { The results of the Bonferroni analysis are summarized below. }$

Essay

A local consumer reporter wants to compare the average costs of grocery items purchased
at three different supermarkets, A, B, and C. Prices (in dollars)were recorded for a sample
of 60 randomly selected grocery items at each of the three supermarkets. In order to
reduce item-to-item variation, the prices were recorded for each item on the same day at
each supermarket. $\text { The results of the Bonferroni analysis are summarized below. }$



Fully interpret the Bonferroni analysis.