Part of an investigative study on supermarket advertising

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Reference no: EM13322191

Three supermarket chains in the New York area each claim to have the lowest overall prices. As part of an investigative study on supermarket advertising the New York Daily Post conducted a study. First, a random sample of nine (9) grocery items was selected. Next, the price of each selected item was checked at each of the three (3) supermarket chain stores on the same day. Using ANOVA at the 5% (.05) level of significance test whether there is a difference in the mean price at the three supermarket chains for the 9 items? The data is on the next page.

Reference no: EM13322191

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