# (Answered) MATH225N Week 8 Discussion: Correlation and Regression

Initial Post Instructions

If a regression analysis was to be completed on body mass index (BMI), what could be an independent variable in that analysis? Why? If we could, what other independent variables should be included in the analysis? What statistic(s) would show the value of that regression in understanding BMI?

Alternatively, find an article that uses regression analysis to study a medical concern. In that study, what was the dependent variable and what were the independent variable(s)? Further, how would you use this study to highlight the difference between correlations and causation?

## Solution:

Regression analysis is used as a tool to assess “the hypothesis that a variable is dependent upon one or more other variables” (Holmes, Illowsky, & Dean, 2018). It can also be used to adequately determine the degree to which a change in one variable impacts a change in another variable. Consequently, it can be used to predict future values. Regression analysis assumes that…Click link below to purchase full tutorial at \$5