Question

How might an organization like Pew Research obtain an accurate estimate of the number of cell-phone only households in the first place? What kind of sample would you need to get this estimate? How would you contact this sample?

Answer 1

a) Sample of households using cell-phone only in a particular region or in a country.

b) It has to be Systematic sampling techniques

Explanation:

a) Since the goal of the organization is to estimate the number of cell phone only households. Only households that uses cell-phone only is the appropriate population to sample from. The first step is to identify the households that fall into the population of interest. Then number them systematically and sample from the frame.

b) The moment an household is selected into the sample from the frame, the researcher can visit to conduct the survey. Or, he or she can use other method of data collection such as phoning the household before physical visit, etc.