3.13 Data: Probability Distributions & Inference

  • We need probability distributions for stat. inference (learning from sample about the population)
  • Frequentism/Frequentist inference
    • Any given experiment (dataset) can be considered as one of an infinite sequence of possible repetitions of the same experiment (datasets)
    • Sample of students in class = one of infinite sequences of sample we could draw from Mannheim Univ. students
    • Sample → Calculate mean/regression coefficient → Sampling distribution of statistic \(\approx\) probability distribution
  • Bayesian inference