Whether three sales presentations could be equally effective

Reference no: EM131408183

An industrial sales manager, testing the effectiveness of three different sales presentations, randomly selected a presentation to be used when making the next sales call on 14 customers.

The numbers of units purchased as a result of each sales call are shown here. Use the 0.05 level in determining whether the three sales presentations could be equally effective.

Presentation
1	2	3
7	13	14
9	10	15
11	11	12
7	13	10
	14	13

Reference no: EM131408183

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