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TABLE 14-6
One of the most common questions of prospective house buyers pertains to the 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
Model 2
-Referring to Table 14-6, what is the 90% confidence interval for the expected change in heating costs as a result of a 1 degree Fahrenheit change in the daily minimum outside temperature using Model 1?
Effective Annual Cost
This term refers to the total cost of borrowing on an annual basis, including interest and any fees, taking compounding into account.
Nominal Cost
The original cost of an asset or investment, not adjusted for inflation or other factors affecting its current value.
Trade Credit
An arrangement to buy goods or services on account, that is, without making immediate cash payment, usually evidenced by an invoice.
Nominal Annual Cost
The stated annual cost of borrowing or investing, without adjusting for the compounding of interest or for inflation.
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