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How much error between sample mean and population mean?
The answer depends on the underlying variance (standard deviation) in the population, the size of the sample and the procedure used to select the sample.
What is the chief aim of probability sampling is to be able to select?
The chief aim is to find a representative sample; that is, a sample which reflects the properties of the population, as a whole.
In a survey psychologists select a random sample of research participants in order to ensure?
the participants are representative of the population they are interested in studying
You decide to select ten percent of the inmates in a prison to receive a survey You decide you want your sample to be representative of the population Which sampling process would provide the most r?
a stratified random sample
What is the difference between simple random sampling and systematic random sampling?
simple random sample is to select the sample in random method but systematic random sample is to select the sample in particular sequence (ie 1st 11th 21st 31st etc.)• Simple random sample requires that each individual is separately selected but systematic random sample does not selected separately.• In simple random sampling, for each k, each sample of size k has equal probability of being selected as a sample but it is not so in systematic random sampling.
