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.

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