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TABLE 14-6
One of the most common questions of prospective house buyers pertains to the average cost of heating in dollars (Y) . To provide its customers with information on that matter, a large real estate firm used the following 4 variables to predict heating costs: the daily minimum outside temperature in degrees of Fahrenheit (X1) , the amount of insulation in inches (X2) , the number of windows in the house (X3) , and the age of the furnace in years (X4) . Given below are the EXCEL outputs of two regression models.
Model 1
Note: 2.96869E-05 = 2.96869×10-5
Model 2
Note: 2.9036E-06 = 2.9036×10-6
-Referring to Table 14-6, what is the value of the partial F test statistic for H0 : β3 = β4 = 0 vs. H1 : At least one βj ≠ 0, j = 3, 4?
Ethical Violation
A breach of moral principles within a professional context, usually violating established codes of conduct.
Covert Observation
A research method where the subject(s) are unaware they are being observed to gather unbiassed and natural behavior.
Nonparticipant Observation
A research method in which the observer does not interact with the subjects during the observation period.
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