The producer of the MP3 player wanted to know whether 10 percent reduction in price is adequate to increase sales of its product. To investigate, owner randomly selected eight outlets and sold MP3 player at reduced price. At seven randomly selected outlets, MP3 player was sold at regular price. Reported below is number of units sold last month at sampled outlets. At the .01 significance level, can producer conclude that price reduction resulted in increase in sales?
Regular price 138 121 88 115 141 125 96
Reduced price 128 134 152 135 114 106 112 120