The retailing manager of a supermarket chain wants to determine whether product

Question

The retailing manager of a supermarket chain wants to determine whether product location has any effect on the sale of pet toys. Three different aisle locations are considered: front, middle, and rear. A random sample of 18 stores is selected with 6 stores randomly assigned to each aisle location. The size of the display area and price of the product are constant for all stores. At the end of a 1-month trial period, the sales volumes (in thousands of dollars) of the product in each store were recorded and following statistical tables are formed. Given the following information, at the 0.05 level of significance, is there evidence of a difference in mean sales among the various aisle locations? State the null and alternative hypothesis.

Explanation / Answer

Null and alternative hypotheses:

Ho: There is no difference in the mean sales among the various aisle locations.

Ha: Mean sales of atleast one aisle location is different from others.

Here from the given output,

p - Value = 0.000 which is less than level of significance 0.05, Hence,

We reject Ho and therefore,

There is enough evidence to conclude that there is a difference in the mean sales among the various aisle locations.

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