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3 . [25 ptS] The marketing department of a company has designed three different packing boxes for its product. It wants to determine which box will produce the largest amount of sales. Each box will be test-marketed in ve different stores for a period of a month. Below you are given the information on sales (in dollars). Inmmu lam\" a) [5 pts] State the null and alternative hypotheses. b) [10 pts] Construct an ANOVA table. c) [5 pts] What conclusion do you draw? d) [5 pts] Use Fisher's LSD procedure and determine which mean (if any) is different from the others. Let (1 = .01