# Correlation and RegressionResearch Proposal

Pages: 1 (332 words)  ·  Style: APA  ·  Bibliography Sources: 3  ·  File: .docx  ·  Level: College Senior  ·  Topic: Health - Public Health Issues

¶ … correlation and regression using an example from public health to illustrate.

"Regression analysis is a statistical tool for the investigation of relationships between variables. Usually, the investigator seeks to ascertain the causal effect of one variable upon another," such as the effect upon a student population's BMI of stocking vending machines with healthier food vs. allowing the vending machines to offer 'junk food' (Sykes 2010). Will the presence of healthier food in vending machines result in a lower average BMI in the population or will it not (because children are bringing junk food from home or other sources)? Correlation merely suggests that two factors tend to occur together -- for example, schools with a higher average student BMI may tend to have more vending machines on-premises. But these schools may also be poorer, and have less healthy cafeteria food, so the vending machines may not be the causative factor in obesity.Get full access
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## Research Proposal on Correlation and Regression Using an Example From Assignment

Interpret the following statement: Correlation is not causation. Again, provide an example from… [END OF PREVIEW] . . . READ MORE

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