Question

A consumer preference study compares the effects of three different bottle designs (A, B, and C) on sales of a popular fabric softener. Fifteen supermarkets of equal sales potential are selected, and 5 of these supermarkets are randomly assigned to each bottle design. The number of bottles sold in 24 hours at each supermarket is recorded. The data obtained are displayed in the table. Let Pa Ho, and c represent mean daily sales using bottle designs A, B, and C, respectively. Bottle 23 27 Bottle A Bottle B 16 33 18 31 1937 17 13 34 Download or transcribe the data in the table to Minitab and conduct an Analysis of Variance (a = .05). First, create a box plot of the data for initial assessment, then run the Minitab ANOVA, answering the following questions. Step 3 of 4: Referring to the One-way ANOVA table for Bottles, the test statistic is (round to two decimals): Answer TE Tables Keypad Submit Answer 2015 Hanes Learning

Answer 1

DE F G H A Bottle A B . Bottle B Bottle C 23 31 18 19 37 27 21 28 29 34 25 SUMMARY Count Sum Average Variance 83 16.6 5 L 164 32.8 9.2 5 124 24.8 8.2 5.3 Groups Bottle A Bottle B Bottle C ANOVA Source of Variation Between Groups Within Groups SS P-value Fcrit df 2 12 MS 328.07 43.36 7.57 656.13 90.80 0.00 3.89 Total 746.93 14 Test Statistics=43.36