Sampling Technique ( Probability )

Which of the following sampling methods is a probability method?

• judgement

• Quota

• Random sample

• Convenience

Which of the following is a benefit of using simple random sampling?

• The results are always representative.

• Interviewers can choose respondents freely.

• Informants can refuse to participate.

• We can calculate the accuracy of the results.

Increasing the sample size has the following effect on the sampling error:

• It increases the sampling error

• It reduces the sampling error

• It has no effect on the sampling error

• All options are correct

sample is regarded as a subset of?

• Data

• Set

• Distribution

• Population

The difference between a statistic and a parameter is called ?

• Non random

• Probability

• Random

• Sampling error