Statistical inference and the resulting p values are

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Statistical inference, and the resulting p-values, are meaninglesswhen you already have population data.If you have a sample that is non-random (biased), inference onthe results will be unreliable.Chapter 1167 / 65
Inference for linear regressionCI for the slopeCautionAlways be aware of the type of data you’re working with: randomsample, non-random sample, or population.Statistical inference, and the resulting p-values, are meaninglesswhen you already have population data.If you have a sample that is non-random (biased), inference onthe results will be unreliable.The ultimate goal is to have independent observations.Chapter 1167 / 65

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