Opinion polls. Pollsters regularly conduct opinion polls to determine the popularity rating of the current prime minister of Thailand. Suppose a poll is to be conducted tomorrow in which 2,000 individuals will be asked whether the prime minister is doing a good job or a bad job. The 2,000 individuals will be selected by random-digit telephone dialing and asked the question over the phone.
What is the relevant population?
What is the variable of interest?
Identify the sample
Identify the data collection method.
Identify what type of data is collected. Is it quantitative or qualitative?