Unit 4: Sampling

The group of people that a researcher is interested in is referred to as the _________.

• Sample

• Population

The group of subjects in a research study is referred to as the ______.

• Sample

• Population

Which statement concerning the 'systematic sampling' method is most accurate?

• It involves drawing a sample from each group of the population.

• It involves ordering the population and choosing every ninth person.

A researcher who draws a sample from each group of the population is utilizing which sampling method?

• Stratified Sampling

• Systematic Sampling

Purposive, Snowball, and Convenience are examples of ______.

• Probability Sampling Method

• Non-Probability Sampling Method

Which is the best example of the 'convenience sampling' method?

• Sam wants to know about the most popular pizza topping. He passes out 20 surveys, which are 10 females and 10 males.

• Jerry wants to know if people prefer Coke or Pepsi. He walks over to the park and stops people to ask.

To do the project, you have to ask LGBTQ+'s opinion about fashion. Which method is a 'snowball sampling'?

• Asking each of their friends to name three further friends.

• Producing the sample from a random list of numbers.

The researcher chooses a sample by putting every student's name into a hat and then drawing names from the hat.

• Systematic Sampling

• Random Sampling

At the college, 5 math classes are randomly selected out of 20 and all students from each class are interviewed.

• Cluster Sampling

• Stratified Sampling

Which of the following is an example of sampling bias?

• Underrepresentation

• Inadequate Sample Size

• Researcher Bias

• All choices are correct.