Below You Are Given a Partial Computer Output Relating the Price

Essay

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). ANOVA
$\begin{array}{lcrcc} & d f & S S & M S & F \\\text { Regression } & & & & \\\text { Residual } & 20 & 40 & & \\\text { Total } & & 800 &\end{array}$ ​
a.
What has been the sample size for this regression analysis?
b.
At α = .05, 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.