A Real Estate Builder Wishes to Determine How House Size

question 8

Multiple Choice

A real estate builder wishes to determine how house size (House) is influenced by family income (Income) ,family size (Size) ,and education of the head of household (School) .House size is measured in hundreds of square feet,income is measured in thousands of dollars,and education is in years.The builder randomly selected 50 families and constructed the multiple regression model.The business literature involving human capital shows that education influences an individual's annual income.Combined,these may influence family size.With this in mind,what should the real estate builder be particularly concerned with when analyzing the multiple regression model?

• A)Randomness of error terms
• B)Collinearity
• C)Normality of residuals
• D)Missing observations

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Definitions:

Rollback Technique

A decision analysis procedure used to solve decision trees backwards from the end nodes to the beginning, to find the sequence of decisions that maximizes the expected utility.

Expected Opportunity Loss

The anticipated value of the best foregone opportunity when a particular decision is made.

Gross Profits

Total revenue of a company minus the cost of goods sold, not including other operating expenses.

Payoff Table

A table that lists the possible outcomes of different decisions, often used in decision analysis to compare the implications of various strategies.