statistics

5 articles · All tags

• Hypothesis Testing
  The statistical framework for deciding whether data support a claim, using null hypotheses, p-values, and error probabilities.
• Correlation and Causation
  The statistical relationship between variables versus the proof that one causes the other, and why correlation alone cannot establish causation.
• Central Limit Theorem
  The theorem that averages of many independent random variables become approximately normally distributed, regardless of the original distribution.
• Standard Deviation
  A measure of how spread out a set of values is around its mean, expressed in the same units as the data.
• Bayes' Theorem
  The rule for updating the probability of a hypothesis when new evidence arrives, relating prior and conditional probabilities.