SCENARIO 18-1 A Real Estate Builder Wishes to Determine How House Size

question 114

Multiple Choice

SCENARIO 18-1
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 ran the multiple regression.Microsoft Excel
output is provided below:
-Referring to Scenario 18-1, what are the regression degrees of freedom that are missing from the
Output?

• A) 3
• B) 46
• C) 49
• D) 50

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Definitions:

Mean

The average of a set of numbers, obtained by dividing the sum of the numbers in the set by their quantity.

Cumulative Binomial Probabilities

Cumulative binomial probabilities represent the probability of obtaining a certain number of successes or fewer in a fixed number of independent Bernoulli trials.

Approximate Binomial Distribution

Using a normal distribution to estimate the outcomes of a binomial distribution when the sample size is large and the probability of success is neither very small nor very large.

SAT Score

A standardized test score used for college admissions in the United States, reflecting a student's aptitude in areas such as math and evidence-based reading and writing.