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Reducing Bias in Sampling loading

Ways of selecting a sample to minimize bias

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Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.
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    Reducing Bias in Sampling

    Reducing Bias in Sampling

    by CK-12 //advanced
    This Concept introduces students to methods for reducing bias.
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    This indicates how strong in your memory this concept is
  • Video
    Stratified Sampling

    Stratified Sampling

    by CK-12 //advanced
    Shows a way to gather a sample of an object with many different categories by making each category represented with equal numbers of objects.
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    This indicates how strong in your memory this concept is
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