In: Statistics and Probability
            Write notes on omitted variable bias.  
Your answer should
define what the issue is
explain whether,...
                
            
- Write notes on omitted variable bias.  
 
Your answer should
- define what the issue is
 
- explain whether, or under what circumstances, it causes
 
a problem for inference in OLS
regression
- explain how it can be detected (if it
can)   
 
- state what action, if any, you should take to deal with the
issue.