Prices for vitamins and other health supplements increased over the past several ye Show more {Exercise 13.25} Prices for vitamins and other health supplements increased over the past several years and the prices charged by different retail outlets often vary a great deal.
The following data show the prices for 13 products at four retail outlets in Rochester New York (Democrat and Chronicle February 13 2005). Excel or Minitab users: The data set is available in file named Vitamins. All data sets can be found on the premium online website. Use = .05 to test for any significant difference in the mean price for the four retail outlets. Show entries to 2 decimals if necessary. Source of Variation Sum of Squares Degrees of Freedom Mean Square F Treatment Blocks Error Total The p-value is Selectless than .01between .01 and .025between .025 and .05between .05 and .10greater than .10 Item 14 What is your conclusion? SelectConclude not all mean prices at the outlets are equalDo not reject the assumption that the mean prices at the outlets are equal Show less
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