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Can the manufacturer conclude that the price reduction resulted in an increase in sales?

The manufacturer of an MP3 player wanted to know whether a 10 percent reduction in price is enough to increase the sales of their product. To investigate, the owner randomly selected eight outlets and sold the MP3 player at the reduced price. At seven randomly selected outlets, the MP3 player was sold at the regular price. Reported below is the number of units sold last month at the sampled outlets. At the .01 significance level, can the manufacturer conclude that the price reduction resulted in an increase in sales and explain your conclusion?

Regular price 138 121 88 115 141 125 96

Reduced price 128 134 152 135 114 106 112 120

Solution Summary

The solution provides the results from running a t-test and inerpretation of results in the attached Word document.

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