problem 12 & 16

1. Problems are also uploaded below along with Data file OM 455 for Pr. 12. You must use the entire dataset and not restrict yourself to the partial data shown in the pdf document.

2. A model template (framework) for Pr. 16 is also uploaded which you might find useful. 

3. You must submit only one excel document. Each problem is to be done on a separate excel sheet.