SCENARIO 14-5 A microeconomist wants to determine how corporate sales are influenced by capital and wage spending by companies.She proceeds to randomly select 26 large corporations and record information in millions of dollars.The Microsoft Excel output below shows results of this multiple regression. 
-Referring to Scenario 14-5, when the microeconomist used a simple linear regression model with sales as the dependent variable and wages as the independent variable, she obtained an 
value of 0.601.What additional percentage of the total variation of sales has been explained by including capital spending in the multiple regression?
Definitions:
Polymerization Mechanism
A process by which monomer units are chemically bonded together to form polymer chains, governed by various types of reactions such as addition or condensation.
Monomer Structure
The basic unit or building block that can be repeated to form polymers through chemical bonds.
Polyurethane
A polymer composed of organic units joined by carbamate (urethane) links, used in foams, elastomers, and coatings.
Monomer Units
Small molecules that can be bonded together to form polymers.
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