It Is Believed That the Sales Volume of One-Liter Pepsi

question 51

Essay

It is believed that the sales volume of one-liter Pepsi bottles depends on the price of the bottle and the price of a one-liter bottle of Coca-Cola.The following data have been collected for a certain sales region. Using Excel's regression,the linear model Pepsi Sales = β₀ + β₁Pepsi Price + β₂Cola Price + ε and the log-log model ln(Pepsi Sales)= β₀ + β₁ln(Pepsi Price)+ β₂ln(Cola Price)+ ε have been estimated as follows: Discuss the choice between the linear model and the log-log model.

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Definitions:

Factor

A number or algebraic expression that divides another number or expression evenly—i.e., without leaving a remainder.

Missing

Something that is lost or absent, especially a piece of information that is not available.

Factoring

The process of breaking down an expression into a product of simpler expressions, often used to simplify expressions or solve equations.

Integers

Whole values including positive, negative, and zero without any fractions or decimals fall under the category of integers.