Chipotle Mexican Grill is suffering from lack of sales after a string of E$.$coli breakouts across their fast food stores. Customers are worried about their health and safety and are afraid of getting sick. Chipotle thought that if they gave away free tacos on Tuesdays and had $(1)/(2)$ price burritos on Wednesdays, they could get customer to come back. Sadly, their efforts have been unsuccessful. Chipotle has hired you to help. Chipotle has not yet surveyed their customers, but would like for you to think about potential research questions, investigative questions and measurement questions.