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An audit manager has just returned from an executive training program and has suggested that the audit department develop a mathematical model to help identify factors that may be causing changes in the cost of production. According to the manager, the model should recognize that the company currently has three separate production (cost) centers. Which of the following approaches would best provide the analysis suggested by the audit manager?
Correct Answer: C
Regression analysis extends correlation to find an equation for the linear relationship among variables. The behavior of a dependent variable, such as cost of production, is explained in terms of one or more independent variables (for example, raw material costs, employees, overtime). Thus, multiple regression analysis determines functional relationships among quantitative variables.