Sam is the director of sales and marketing at a major retail store. For the past number of years, her company has been conducting direct marketing campaigns by sending emails containing discount coupons and other offers to the company's existing and potential customers. Her department has also placed ads on TV and popular online social media sites. As a result, her company has accumulated large amount of data on previous marketing campaigns, including whether each type of campaign was financially successful or not, the amount spent on each campaign, and the resulting revenue generated.

You are the data analytics director at the company. Sam is considering using the past data to help her make campaign decisions for the upcoming year and has requested you to discuss with her research or business questions, and analytical techniques that would be suitable to address these questions.

Please suggest two research questions. Also, specify which analytical technique (linear or logistic regression) would be appropriate to answer each of these two questions.

(Q1-A) Write one research question - [10 points]:

(Q1-B) Would you use linear regression or logistic regression analysis to answer the above question? Please justify your answer -i.e., why the technique you recommended and why not the one you did not. - [15 points]: