7.1 Quick revision

  1. True or false: A confidence interval is used to find an interval that probably (but not certainly) contains the sample value.
  2. True or false: All confidence interval are \(95\)% confidence intervals.
  3. True or false: A standard error is calculated from population data, but a standard deviation is calculated from sample data.
  4. True or false: CIs answers estimation-type RQs.
  5. True or false: A 95% confidence interval will contain approximately 95% of the observations.