Quiz

  1. 1
    Beginner

    In inferential statistics, what is a confidence interval?

  2. 2
    Beginner

    When the confidence level is increased from 90% to 95%, what happens to the confidence interval?

  3. 3
    Beginner

    When working with inferential statistics, if the number of items in a sample is increased, what happens to the size of the confidence interval?