It is a sample in which the respondent decides whether or not to participate. A typical situation would be when a pile of questionnaires is left for people to fill in - if they like. Only those so inclined will do so.
Chat with our AI personalities
random sample is a big sample and convenience sample is small sample
A subset of sample space is taking a sample from that sample space.
With a good sample, the sample mean gets closer to the population mean.
a sample that is conveniant. Such as voting. the sample is conveniant because it elects leaders
A sample is Unbiased if everyone in the sample have an equal chance of being selected