Question

The manufacturer of an MP3 player wanted to know whether a 10 percent reduction in price is enough to increase the sales of its 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. Regular price 134 125 88 113 143 129 96 Reduced price 126 133 152 132 113 107 116 112 At the .010 significance level, can the manufacturer conclude that the price reduction resulted in an increase in sales? Hint: For the calculations, assume the "Reduced price" as the first sample.

The pooled variance is . (Round your answer to 2 decimal places.)

The test statistic is . (Round your answer to 2 decimal places.) H0.

Answer 1

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