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There are two equivalent definition.
Definition 1: A simple random sample is one for which each element has the same probability of being included in the sample.
Definition 2: A simple random sample is one where all sample of that size have the same probability of being selected.
Although the words are similar, the first refers to the selection of individuals from the population whereas the second refers to the samples.
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When would random sampling not be the best approach to sample selection?
When would random sampling not be the best approach to sample selection
Is convenience sampling method not a random sampling?
You are correct; convenience sampling is not random sampling.
Is cluster sampling random?
It can be but it is not simple random sampling.
What is the difference between random sampling and non random sampling?
a
What is simple random sampling and stratified random sampling?
yes
What is the difference between simple random sampling and random sampling?
Simple!
Mention different types of sampling in statistics.?
Simple Random Sample Stratified Random Sampling Cluster Sampling Systematic Sampling Convenience Sampling
What sampling method?
Random Sampling
Which sampling method is based on probability?
There are many such methods: cluster sampling, stratified random sampling, simple random sampling.Their usefulness depends on the circumstances.
Compare the efficiency of simple random sampling with systematic random sampling for estimating the population mean and give your comments?
Compare the efficiency of simple random sampling with systematic random sampling for estimating the population mean and give your comments.
What is the definition of time sampling?
definition of time sampling
Is the best description of a stratified random sample?
Stratified random sampling is a form of probability sampling that provides a methodology for dividing a population into smaller subgroups as a means of ensuring greater accuracy of your high-level survey results. The smaller subgroups are called strata. Stratified random sampling is also called proportional or quota random sampling.
