correlation and regression concepts, statistics homework help

timer Asked: May 28th, 2017
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Question Description

Please answer the below two questions providing one paragraph for each. This is just a simple discussion and therefore no title page or headers are required.

Q1.Use the internet to find a website that shows an example or application correlation or regression in the area of your interest or in your profession. Discuss how correlation or regression was used, summarize your finding, and share it with us.

Q2. One of the most powerful tools in statistics is regression analysis. The goal is simply to find the best straight-line equation (linear regression equation) that best fits your data. What determines if the equation is "useful"? Why is this such an important topic in statistics? Where is linear regression analyzes used?

Tutor Answer

School: Purdue University

Here it is . Look through it and let me know if you need any changes made.

Question 1
The economist published an article on its website exploring the opioid
epidemic in the U.S. Opioids are prescribed medically to relieve pain. Abuse of
opioids is a true epidemic in the U.S with 33,091 people dying from opioid
overdose in 2015, almost as many as the people killed by guns (36,132). Of
interest to me was the discussion on the relationship between the use of heroin
and abuse of prescription drugs. According to the article, abuse of prescription
drugs is a gateway to heroin abuse with users opting for heroin as a cheaper
alternative to prescription drugs. The article presented a crude correlation
analysis of heroin use and abuse of prescription drugs; 4 out of 5 new heroin
users previously abused prescription drugs. Crudely put this would mean there
is a positive correlation of 0.8 between new heroin use and ...

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