As part of a survey of college students, a researcher is int…

As part of a survey of college students, a researcher is interested in the variable class standing. She records a 1 if the student is a freshman, a 2 if the student is a sophomore, a 3 if the student is a junior, and a 4 if the student is a senior. The variable “Class standing” is an example of:

The Commissioner of Health in New York State want to study m…

The Commissioner of Health in New York State want to study malpractice litigation in New York. A sample of 31,000 medical records was drawn from a population of 2.7 million patients who were discharged during 2010. Using the information obtained from the sample to predict characteristics of patients who are more likely to pursue a malpractice complain with a law firm and file a lawsuit is an example of: