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The manufacturer of an MP3 player wanted to know whether a 10% reduction in price is...

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Statistics

The manufacturer of an MP3 player wanted to know whether a 10%reduction in price is enough to increase the sales of its product.To investigate, the owner randomly selected eight outlets and soldthe MP3 player at the reduced price. At seven randomly selectedoutlets, the MP3 player was sold at the regular price. Reportedbelow is the number of units sold last month at the regular andreduced prices at the randomly selected outlets. Regular price 138124 89 112 116 123 98 Reduced price 124 134 154 135 118 126 133 132Click here for the Excel Data File . At the 0.025 significancelevel, can the manufacturer conclude that the price reductionresulted in an increase in sales? Hint: For the calculations,assume reduced price as the first sample.

Compute the pooled estimate of the variance. (Round your answerto 3 decimal places.)

Compute the test statistic. (Round your answer to 2 decimalplaces.)

State your decision about the null hypothesis. Reject H0 Fail toreject H0

Answer & Explanation Solved by verified expert
4.3 Ratings (848 Votes)
Ho 1 2 0 Ha 12 0 Level of Significance 0025 Sample 1 Reduced price mean of sample 1 x1 13200 standard    See Answer
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