1. Data from a survey of customers are on an ordinal scale (1-7) regarding satisfaction with the services provided in a bank by three tellers. If we wish to determine if the degree of customer satisfaction is independent of the teller, what statistical test should be used?
2. A financial institution is contemplating the offering of three different types of savings accounts. It selects 100 customers randomly and obtains a response on which account each person would select. What statistical test would you use to determine if customers have a preference for any account?