For Exercises 13–18, a random sample is drawn from a normal population. Do the following:

  1. State the hypotheses and the rejection rule.
  2. Calculate . Draw a distribution and indicate the location of .
  3. Find the -value and indicate the -value in your distribution in (b).
  4. Compare the -value with level of significance . State the conclusion and interpretation.

Question 9.337

14. We are testing whether and have a sample of size with a sample variance of .