9.1 Quick revision

We recommend trying these Quick revision questions before your tutorial.

  1. Hypothesis tests are used to prove or disprove the null hypothesis. True or false?
  2. Hypothesis are always written in terms of population parameters. True or false?
  3. Alternative hypotheses may be one- or two-tailed, depending on the data. True or false?


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Progress:

  1. FALSE. Hypothesis testing does not prove anything. In loose terms, it quantifies how much evidence there is in the sample to support the alternative hypothesis.
  2. TRUE. Hypothesis are always about the unknown population parameters.
  3. FALSE. Alternative hypotheses may be one- or two-tailed, but it does not depend on the data; it depends on the RQ.