1. Identify five symptoms and a plausible cause for each one.
2. Suppose you are conducting research for American Airlines. Identify, from secondary sources including Social Media social media, the attributes or factors passengers consider when selecting an airline.
Select any firm. Using secondary sources, obtain information on the annual sales of the firm and the industry for the last 5 years. Use a spreadsheet package, such as Excel, or any microcomputer or mainframe statistical package, to develop a graphical model relating the firm’s sales to the industry’s sales.