Height of Confidence

For questions 1 – 3, fill in the blank with a single word.
  1. The width of the confidence interval becomes   when there is a larger sample size.
     
  2. The width of the confidence interval becomes   when there is a larger standard deviation.
     
  3. The width of the confidence interval becomes   when a higher level of confidence is used.
     
  4. How confident (between 0 and 100%) are you of completing statements like the ones above correctly on a quiz?

     %