Sampling techniques, Organizing data, Graphing data Quiz

Which of the following is a method of sampling where every individual in the population has an equal chance of being selected?

• Stratified sampling

• Random sampling

• Systematic sampling

• Convenience sampling

In stratified sampling, the population is divided into:

• Equal-sized groups

• Groups based on their characteristics

• Groups based on convenience

• Groups of random individuals

Which of the following is an example of cluster sampling?

• Selecting every 10th individual from a list

• Dividing the population into groups and selecting entire groups randomly

• Surveying every person in a small, specific area

• Choosing individuals based on availability

What is the key characteristic of systematic sampling?

• Individuals are selected randomly from different strata

• Every kth individual from a list is selected

• Only the most accessible individuals are chosen

• A group of people is surveyed without any specific order

Which of the following sampling methods is most likely to introduce bias?

• Simple random sampling

• Stratified sampling

• Convenience sampling

• Systematic sampling

In a survey of 100 people where 25 people are randomly selected from each of 4 different age groups, which sampling technique is used?

• Stratified sampling

• Cluster sampling

• Simple random sampling

• Systematic sampling

A researcher selects every 5th person from a list of 500 people. What sampling method is being used?

• Convenience sampling

• Stratified sampling

• Systematic sampling

• Cluster sampling

In which of the following sampling methods are groups, rather than individuals, selected for the sample?

• Simple random sampling

• Cluster sampling

• Stratified sampling

• Convenience sampling

Which of the following statements about sampling techniques is true?

• Random sampling is always the best method for all situations

• Stratified sampling works well when the population is heterogeneous

• Convenience sampling is the most unbiased technique

• Systematic sampling ensures that each individual has the same chance of selection

Which of the following is an example of a biased sampling method?

• Random sampling

• Stratified sampling

• Convenience sampling

• Systematic sampling