For Exercises 23–35, do the following:

  1. Provide the null and alternative hypotheses.
  2. Describe the two ways a correct decision could be made in the context of the problem.
  3. Describe what a Type I error would mean in the context of the problem.
  4. Describe what a Type II error would mean in the context of the problem.

Question 9.24

24. Eating Trends. The NPD Group examined whether higher gasoline prices are causing consumers to dine out less than the previous mean of 700 times per year.1