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:
Marketing Research
Marketing Research involves gathering, analyzing, and interpreting information to aid in making informed marketing decisions.
Bookkeeping Service
Involves the recording of financial transactions and is part of the process of accounting in business, ensuring accurate financial records are kept.
Marketing Research Process
An organized series of steps taken to gather and analyze information to help in marketing decision-making.
Secondary Data
Information that has been previously collected and published by others, used for research or analysis.
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