Elise, a supermarket employee, approached 50 random customers and asked whether they would be willing to discuss what they like most about the store. She interviewed the 22 who said yes. Is this sample of the supermarket's customers likely to be biased?

A teacher splits her classes up by period. She then randomly picks 3 students from each period to do a survey.

3. _________ sampling is a good method to use when conducting a pilot study.

A researcher who is studying the effects of educational attainment on promotion conducted a survey of 50 randomly selected workers from each of these categories: high school graduate, with undergraduate degree, with master’s degree, and with doctoral degree. What technique is most appropriate?

You are doing a research on Malaysians and their perception on recycling. You divided the population according to race and choose your sample according to this division. You have a Chinese friend and passes the survey to him to fill the allocation for Chinese participants. What sampling technique is this?

You are looking for a tall young malay man who is studying in CFS. Luckily, Zairul is your classmate. Hence you pass your survey to him. This is _____________

The principal purpose of sampling is the application of results in the population.

The selection of the sample is accomplished in more than 2 steps