1. You are interested to investigate the international students' satisfaction over the services provided by university Q.You decided to collect the information by conducting a survey. Please state, with a proper reason, which sampling method will you use to select your respondents. Also, explain in detail how you will implement the method.
2. Based on some examples, explain how the descriptive analytics, diagnostic analytics, predictive analytics, and prescriptive analytics methods will be useful for an airline company.