Below You Are Given a Partial Computer Output Based on a Sample

question 98

Essay

Below you are given a partial computer output based on a sample of 12 observations relating the number of personal computers sold by a computer shop per month (y), unit price (x₁ in $1000), and the number of advertising spots (x₂) they used on a local television station. $$\begin{array}{l}\text { ANOVA }\\\begin{array} { l l l l l l } & d f & \text { SS } & M S & F & \text { Significance } F \\\text { Regression } & 2 & 655.955 & & & \\\text { Residual } & 9 & & &\end{array}\end{array}$$ ​
a.
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.
b.
Determine the multiple coefficient of determination.
c.
Determine the adjusted multiple coefficient of determination.

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Definitions:

Fixation Time

Refers to the duration of time an individual's gaze remains on a single location, often used in research to measure attention and interest.

Visual Preference

A term referring to the tendency of individuals to pay more attention or show favoritism towards certain visual stimuli over others.

Stimulus

An environmental condition that elicits a response.

Inborn Responses

Behavioral reactions that are genetically programmed, requiring no prior experience or learning to occur.