The sign test assumes that the samples are * independent O dependent O have the same mean O non of he above
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The sign test assumes that the samples are dependent.
Properties of a sign test
- In a sign test, sample selection is randomly made for populations.
- The samples are dependent or paired.
- A sample test shows differences between pair of observations.
- For example, the mass of an object before vs the mass pf an object after an experiment.
Hence, by understanding the properties of sign test, we know that the correct option is dependent.
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