For Exercises 23–28, we are taking a random sample from a population with unknown. However, do not assume that the population is normally distributed.

  1. Find .
  2. Confirm that the requirements are met for the confidence interval for .
  3. Construct the confidence interval for with the indicated confidence level.
  4. Sketch the confidence interval on a number line.

Question 8.125

28. Confidence level 95%, , ,