From each description, identify or infer the target population,the sampling frame, the unit of analysis, and the type of sample.Discuss whether the sampling strategy will allow the researcher toform inferences about the target population based on thesample.
Problem: To study factors related to a diagnosis of depressionin elderly individuals. Sample: A random selection of 150 of the300 residents diagnosed with depression in one year while in aparticular geriatric facility, and 340 randomly selected from the850 residents in the same facility who were not diagnosed withdepression during that year.
b. Problem: To obtain information on routes and types oftransportation used by people traveling with the city. Sample:Council of Governments has computerized dataset of 110,000 tripsmade in one year; 10 percent of the trips are randomly selected forintensive analysis.
