1. Given that McDonald's has thousands of restaurants all over the world, how should it approach this challenge?
2. What sampling technique should the firm use and why?
3. What type of sampling plan should be used?
4. How should the sampling size be determined?
5. Provide three survey questions that the firm might use to gather demographic information about its customers.
6. Provide three survey questions that the firm might use to evaluate customers' perceptions of the new sandwich.