Mathematics
Mathematics, 04.08.2020 14:01, breannaasmith1122

35 Refer to the Johnson Filtration problem introduced in this section. Suppose that in addition to information on the number of months since the machine was serviced and whether a mechanical or an electrical repair was necessary, the managers obtained a list showing which repairperson performed the service. The revised data follow. Repair Time in Hours Months Since Last Service Type of Repair Repairperson 2.9 2 Electrical Dave Newton 3.0 6 Mechanical Dave Newton 4.8 8 Electrical Bob Jones 1.8 3 Mechanical Dave Newton 2.9 2 Electrical Dave Newton 4.9 7 Electrical Bob Jones 4.2 9 Mechanical Bob Jones 4.8 8 Mechanical Bob Jones 4.4 4 Electrical Bob Jones 4.5 6 Electrical Dave Newton a. Clearly specify the dependent variable and the independent variables, and develop an estimated regression equation that can be used to predict the Repair Time given Months Since Last Service, Type of Repair, and Repairperson. b. What are the estimates for parameters of the independent variables

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35 Refer to the Johnson Filtration problem introduced in this section. Suppose that in addition to i...

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