Exhibit 16-7

question 69

Essay

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.For the estimated linear model,when the price of Cola is held constant what is the predicted change in the Pepsi sales if the price of Pepsi increases by 10 cents?

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Definitions:

Aldosterone

A substance generated by the adrenal glands that plays a role in regulating blood pressure through managing the balance of sodium and water in the body.

Hypogastric Region

The lower central part of the abdomen located below the umbilical region.

Umbilicus

Also known as the navel or belly button, it is the scar on the abdomen that marks the former attachment point of the umbilical cord.

Lumbar Region

The lower part of the spine, consisting of five vertebrae, which plays a key role in supporting the upper body and allowing movement.