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 $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:
Asteroid Impact
A phenomenon where an asteroid collides with another celestial body, such as Earth, potentially causing significant geological and biological effects.
Carbonate Rock
Sedimentary rocks, such as limestone, that are composed primarily of carbonate minerals.
Microscopic Organisms
Tiny life forms, often unicellular, that are not visible to the naked eye and require a microscope to be observed.
Mass Extinction
Mass Extinction is an event in which a significant, widespread, and rapid decrease in the biodiversity on Earth occurs, often due to catastrophic environmental changes.
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