Quick revision exercises
- True or false: CIs always have 95% confidence.
- True or false: The statistical validity conditions concern external validity.
- True or false: CIs give intervals in which the value of a population parameter will fall.
- True or false: All other things being equal, a 95% CI is wider than a 90% CI.
- The multiplier times the standard error is called the
- A CI gives an interval in which we are fairly sure that the value of the