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?

• Simple Random Sampling

• Systematic Random Sampling

• Stratified Random Sampling

• Cluster Random Sampling

A Statistics student did a research on the time spent by Grade 12 students playing video game. He selected the subjects by using the Table of Random Numbers. What technique is used?

• Simple Random Sampling

• Stratified Random Sampling

• Systematic Random Sampling

• Cluster Random Sampling

What refers to any procedure done to select samples?

• Experimentation

• Replication

• Sampling

• Treatment

What is referred to as a subset of the population under investigation that a researcher selected to be part of the study?

• Sample

• Population

• Variable

• Replicate

Which of the following involves group-by-group selection of samples?

• Simple random sampling

• Stratified sampling

• Snowball sampling

• Quota sampling

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

• True

• False

In the stratified sampling, you randomly choose sample from several groups.

• True

• False

Sampling decisions depend 100% on your own dispositions or judgment.

• True

• False

Non-probability sampling is not very particular about statistics.

• True

• False

Probability sampling techniques are suitable for Quantitative research studies.

• True

• False