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What crucial requirement for is that the sample must be of the target population?
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The crucial requirement for is that the sample must be of the target population?
Generalizations, representative
The act of generalizing from a sample that is significantly different from the target population and relevant respects?
Biased sample
What is the ideal sample size for a given population?
There is no "ideal" sample size for any given population, because polls and other statistical analysis forms depend on many factors, including what the survey is intended to show, who the target audience is, how much statistical error is permitted, and so on. The "Survey System" link, below, offers definitions and a couple of calculators to determine the best sample size for most purposes.
What is the difference between Population and sample?
Population and SamplePopulation is the area in which you are trying to get information from. Sample is a section of your population that you are actually going to survey. It is important to have a sample that will represent your entire population in order to minimize biases. For example: You want in know how American citizens feel about the war in Iraq. Your population: The United States Your sample: 500 citizens selected randomly from each state.Since the answers all over the US would greatly vary, it is important to have everyone in the population represented in your sample. This is usually done through random sampling, which assumes no biases seeing as the subjects were selected at random.
For a large target population what are the sampling methods use to select the exact population?
There is no sampling method that will select the exact population.
The crucial requirement for is that the sample must be of the target population?
Generalizations, representative
The crucial requirement for is that the must be similar to other terms?
Analogies, target
Which of these best describes why it is so important to have a representative sample?
To generalize results from the sample population to the target population.
The act of generalizing from a sample that is significantly different from the target population and relevant respects?
Biased sample
What is the difference between target population and sample population?
the sampled population includes all people whom are included in the sample, the targeted population is what the statistics practitioner is targeting or questioning
Which terms refers to the people from the target population that are surveyed or interviewed for a study?
sample
Which term refers to the people from the target population are surveyed or interviewed for a study?
sample
Which term refers to the people from the target population that are surveyed interview for a study?
sample
What question should a research consumer asked or Explore when evaluating sample size in a research report?
How representative is the sample relative to the target population.
What is the purpose of randomization in epidemiology studies?
ensure taht the sample for the study is representative of the target population
What are the disadvantages for random sampling?
its time consuming and expensive if its a large sample you need or a big target population
One weakness of self selected sample?
it is non-random and prone to bias unrepresentative of target population
