单选题

An analyst collects data relating to five commonly used measures of use of debt (leverage) and interest coverage for a randomly chosen sample of 300 firms. The data comes from those firms’ fiscal year 2011 annual reports. This data is best characterized as:

【正确答案】 C
【答案解析】

C is correct. Data on some characteristics of companies at a single point in time are crosss-ectional data.