Topic #7 - Sampling

A sample is regarded as a subset of …

• data.
• set.
• distribution.
• population.

Which of the following sampling methods is a probability method?

• Judgment.
• Quota.
• Simple random.
• Convenience.

Which of the following is not a type of non-probability sampling?

• Quota sampling.
• Convenience sampling.
• Snowball sampling.
• Stratified random sampling

In a probability sampling, the probability of selecting an item from the known population is …

• equal to one.
• equal to zero.
• non zero.
• none of the options is correct.

The stratified sample is … within and … between the strata.

• homogeneous, heterogeneous
• homogeneous, independent
• heterogeneous, homogeneous
• heterogeneous, independent

Which one is the best description of the sampling method?

• The sample is the population’s part.
• Sampling helps to get higher accuracy if the population is homogeneous.
• Sampling saves money, time, and energy.
• All these options are correct.

A sampling frame is …

• a summary of the various stages involved in designing a survey.
• an outline view of all the main clusters of units in a sample.
• a list of all the units in the population from which a sample is selected.
• a wooden frame used to display tables of random numbers.

A simple random sample is one in which …

• every nth unit from the sampling frame is selected.
• a non-probability way is used, making the results difficult to generalize.
• the researcher has a certain quota of respondents to cater various groups.
• every unit of the population has an equal chance of being selected.

The findings from a study of young single mothers at a university can be generalized to the population of …

• all young single mothers at that university.
• all young single mothers in that society.
• all single mothers in all universities.
• all young women in that university.

Wrong questionnaire is an example of …

• primary data collection problem
• secondary collection problem
• both options are correct.
• none of the options is correct.