Below you are given a partial ANOVA table 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 $1,000) and the number of advertising spots (x2) they used on a local television station. 
a.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.
b.Determine the multiple coefficient of determination.
c.Determine the adjusted multiple coefficient of determination.
Definitions:
Infinite Slope
An idealized concept in mathematics and economics indicating a line that has an immeasurable steepness or an undefined gradient.
Negative Slope
Negative slope indicates a decrease in the variable on the y-axis as the variable on the x-axis increases, often seen in graphs representing inverse relationships.
Positive Slope
A line or curve on a graph that moves upwards from left to right, indicating a positive relationship between two variables.
Variable on the Vertical Axis
In a graph, the variable that is represented on the vertical (y) axis, which is typically the dependent variable in an analysis.
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