Below You Are Given a Partial Computer Output Relating the Price

question 35

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.

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Definitions:

Stress Response

The body's reaction to any demand or challenge, which can be a physical, mental, or emotional reaction.

Cortisol

A steroid hormone released by the adrenal glands in response to stress or low blood-glucose concentration; it plays a key role in the body's stress response.

Oxytocin

A hormone and neurotransmitter that plays a role in social bonding, reproduction, childbirth, and the period after childbirth.

Homeostasis

The process by which living organisms regulate their internal environment to maintain a stable, optimal condition despite external changes.