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 guidance 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 listed X1 = Length of time an employee was in the industry X2 = Mechanical aptitude test score X3 = Prior on-the-job rating X4- 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 echanical Prior on New Time in Aptitude on-the-Job Machine Industry, Score, Performance, Age, Name Mike Miraglia Sue Trythall 113 113 4 6 365 312 4 48 115 The equation is Y- 11.4+0.7X1 +0.586X2+ 0.412X3+0.007X4 a. What is this equation called? (Click to select) b. How many dependent and independent variables are there? (Click to select) dependent. (Click to select) independent c. What is the number 0.412 called? (Click to select) d. As age increases by one year, how much does estimated performance on the new machine increase? Round your answer to 3 decimal places.)

Explanation / Answer

a) This equation is called Multiple Regression Equation

b) 1 Dependent , 4 Independent

c) 0.412 is the coefficient of the X3 variable

d) It wil increase by 0.007

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