The marketing manager of a Home deco company in Australia wants to determine whether outlet location has any effect on their sales. Three different outlets are considered: Location A, B and C. A and their sales during last 5 months were recorded. Assume the size of the outlet and price of the product are constant for all stores. Sales (000) Location A Location B Location C 250 150 230 270 300 200 180 300 250 265 170 300 100 120 370 At the 5% level of significance, is there evidence of a significant difference in mean sales between the various aisle location? Use six steps process of hypothesis testing to answer the question.