Twenty-One Executives in a Large Corporation Were Randomly Selected to Study

question 78

Essay

Twenty-one executives in a large corporation were randomly selected to study the effect of several factors on annual salary (expressed in $000s). The factors selected were age, seniority, years of college, number of company divisions they had been exposed to, and the level of their responsibility. The results of the regression analysis follow: Write out the multiple regression equation.

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Definitions:

Fixed Cost

Costs that do not vary with the level of production or sales, such as rent, salaries, and insurance premiums, providing stability in expense planning.

Least-Squares Regression

A statistical technique used to find the line of best fit for a set of data, minimizing the sum of the squares of the differences between the observed and predicted values.

Variable Cost

Costs that vary directly with the level of production output or activity, such as materials and labor directly involved in manufacturing.

Fixed Cost

Expenses that do not change with the level of production or sales, such as rent, salaries, and insurance, over a specified period.