Provide an example of how you could utilize correlation

Question

Provide an example of how you could utilize correlation analysis for either a personal project or work related project. 

1. What you would identify as the dependent variable (Y) and the independent variable (X)? 
2. What you hypothesize might be the relationship between your X and Y variables? 
3. How you would go about collecting your data?
4. What other variables (i.e., other Xs) that might impact your dependent variable?  
5. W hat you think may be some of the benefits of correlation analysis vs. some of the deficiencies?