Question

A consumer preterence study compares the effects of three different bottle designs (A, B, and C) on sales of a popular fabric sortener. A completely randomized design is employed. Specifically, 15 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 tollowing table Bottle Design Study Data 15 13 18 16 19 32 26 21 25 30 32 The Excel output of a one-way ANOVA of the Bottle Design Study Data is shon below. SUMMA Count Sum Average Variance Design A Design B Design C 81 157 124 16.2 31.1 24.8 5.7 1.8 Source of Variation Bctween Grouos Within Groups Total P.Value 3.23E-D6 38529 F crit 290.4567 5.0557 530.9333 57.33 608 12.0 641.1333 14 (a) Test the null hypothesis that PA MB, and uc are equal by setting 05. Based on this test, can we conclude that bottle designs A, B, and C have different effects on mean daily sales? (Round your answers to 2 decimal places. Leave no cells blank be certain to enter"o" wherever required.) 7 33 0.00 p-value Do not reject ▼ | His bottle design does have an impact on sales.

Answer 1

b)

c)