Exhibit 16-7.It is believed that the sales volume of one liter Pepsi bottles depends on the price of the bottle and the price of one liter bottle of Coca Cola.The following data has been collected for a certain sales region. 
Using Excel's regression,the linear model PepsiSales = β0 + β1PepsiPrice + β2ColaPrice + ε and the log-log model ln(PepsiSales)= β0 + β1ln(PepsiPrice)+ β2ln(ColaPrice)+ ε have been estimated as follows: 
Refer to Exhibit 16.7.Discuss the choice between the linear model and the log-log model.
Definitions:
Novel Object
An new or unfamiliar object that has not been previously encountered by an observer, often used in studies to test curiosity or learning.
Genetic Limit
The maximum potential for development that an individual's genetic makeup allows, considering external factors do not limit growth.
Reaction Range
The variability in the expression of inherited traits as they are influenced by environmental factors.
Environmental Limits
Constraints or boundaries set by the surrounding environment that limit the actions, growth, or survival of an organism or system.
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