Define the following terms: (a) simple random sampling, (b) systematic sampling, (c) systematic random sampling, (d)...

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Statistics

Define the following terms: (a) simple random sampling, (b)systematic sampling, (c) systematic random sampling, (d) haphazardsampling, and (e) block sampling. What are specificsituations when it would be appropriate to use each and is it evera good idea to use more than one of these?

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a Simple Random Sampling A simple random sample is a subset of a statistical population in which each member of the subset has an equal probability of being chosen A simple random sample is meant to be an unbiased representation of a group An example of a simple random sample would be the names of 25 employees being chosen out of a hat from a company of 250 employees In this case the population is all 250 employees and the sample is random because each employee has an equal chance of being chosen usage Random sampling is used in science to conduct randomized control tests or for blinded experimentsNo easier method exists to extract a research sample from a larger population than simple random sampling Selecting subjects completely at random from the larger population also yields a See Answer

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