For Exercises 3–14, do the following:

  1. State the hypotheses.
  2. Calculate the critical value and state the rejection rule. Also, sketch the critical region.
  3. Find the test statistic .
  4. State the conclusion and the interpretation.

Question 9.210

14. A random sample of size 16 from a normal population yields and . Researchers are interested in finding whether the population mean differs from 1000, using level of significance .