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Intro:One of the most important types of data analysis is regression analysis.The following is a link to a Harvard Business Review (HBR) article about the use of regression analysis in practice.    
http://bit.ly/1GLjQrz
Please read the article linked above and answer the questions below: 
What are the different ways in which companies use regression analysis? Explain.
A Reminder About Regression — HBR also has a video that does a great job in explaining what is regression analysis in simple terms.http://bit.ly/2jLLyge