Thompson Photo Works purchased several new, highly sophisticated processing mach

Question

Thompson Photo Works purchased several new, highly sophisticated processing machines. The production department needed some guidanoe with respect to qualifications needed by an operator. Is age a factor? Is the length of service as an operator (in years) important? In order to explore further the factors needed to estimate performance on the new processing machines, four variables were isted Xi = Length of time an employee was in the industry X: = Mechanical aptitude test score X-Prior on-the-job rating X1 = Age Performance on the new machine is designated Y. Thirty employees were selected at random. Data were collected for each, and their performances on the new machines were recorded. A few results are Prior Performance Length of Mechanical on New Time in Aptitude on-the-Job Machine, Industry, Score, Performance, Age Xi Name Mke Miraglia Sue Trythall 119 118 350 386 122 116 27 The equation is

Explanation / Answer

answer a) its a multiple regression equation

answer b) dependent variable is one- Y

independent variable are four-X1,X2,X3 & X4

answer c) .512 is a constant value for X3

answer d)increases by .003

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