1. Verizon has a support center where customers can call to get questions answered about their cell phone account. The manager in charge of the support center has recently conducted a study in which she surveyed 2,300 customers. The customers who called the support center were transferred to a third party who asked the customer a series of questions.
a. Indicate whether the data generated from this study will be considered cross-sectional or time-series. Explain why.
b. One of the questions asked customers was approximately how many minutes they had been on hold waiting to get through to a support person. What level of data measurement is obtained from this question? Explain.
c. Another question asked the customer to rate the service on a scale of 1-7, with 1 being the worst possible service and 7 being the best possible service. What level of data measurement is achieved from this question? Will the data be quantitative or qualitative? Explain.
2. The following information can be found in the Murphy Oil Corporation Annual Report to Shareholders. For each variable, indicate the level of data measurement.
a. List of Principal Offices (e.g., El Dorado, Calgary, Houston)
b. Income (in millions of dollars) from Continuing Operations
c. List of Principal Subsidiaries (e.g., Murphy Oil USA, Inc., Murphy Exploration & Production Company)
d. Number of branded retail outlets
e. Petroleum products sold, in barrels per day
f. Major Exploration and Production Areas (e.g., Malaysia, Congo, Ecuador)
g. Capital Expenditures measured in millions of dollars