Below you are given a partial computer output relating the price of a company's stock (Y in dollars), the Dow Jones industrial average (X1), and the stock price of the company's major competitor (X2 in dollars). 
a.What has been the sample size for this regression analysis?
b.At = 0.05 level of significance, test to determine if the model is significant. That is, determine if there exists a significant relationship between the independent variables and the dependent variable.
c.Determine the multiple coefficient of determination.
Definitions:
Quantity Demanded
The cumulative quantity of a product or service that buyers are ready and capable of buying at a certain price within a given timeframe.
Surplus
The situation where the quantity of a good or service supplied exceeds the quantity demanded, often resulting in a decrease in price.
Price
The amount of money required to purchase a good or service, often determined by the interaction of supply and demand.
Units
The basic measure or quantity of something, used as a standard for expressing and comparing amounts.
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