anayamulay
25.07.2020 •
Mathematics
Tom Sevits is the owner of the Appliance Patch. Recently, Tom observed a difference in the dollar value of sales between students and non-students he employs as sales representatives. A sample of 40 days revealed the non-students sold a mean of $1400 worth of appliances per day. For a sample of 50 days, the students sold a mean of $1500 worth of appliances per day. Assume that the population standard deviation for non-students is $200 and for students is $250. At the 0.05 significance level, can Mr. Sevits conclude that the mean amount sold per day is larger for the students?
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