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How many sets of signals are there in the 1H-NMR spectrum for 1,1-dichlorocyclohexane?
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A device used for recording and playing back video content on magnetic tape cassettes.
Nonresponse Error
A bias in survey results that happens when the answers of respondents differ from the potential answers of those who did not answer.
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The answers or reactions provided by subjects in a research study or survey.
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A portion of a broader demographic picked for the sake of conducting studies, observations, or questionnaires to collect data representative of the larger population.
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