Hypothesis testing at significance level

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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.

Regular price

138

121

88

115

141

125

96

 

Reduced price

128

134

152

$135

114

106

112

120

At the .01 significance level, can the manufacturer conclude that the price reduction resulted in an increase in sales?

Reference no: EM1313285

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