Deepwater Horizon Cleanup Costs. The following table represents the amount of money disbursed by BP to a random sample of six Florida counties, for cleanup of the Deepwater Horizon oil spill, in millions of dollars.10 Use the following information for Exercises 47–49.

541

County Cleanup costs
($ millions)
Broward 0.85
Escambia 0.70
Franklin 0.50
Pinellas 1.15
Santa Rosa 0.50
Walton 1.35

Question 9.244

deepwaterclean

48. Answer the following:

  1. Repeat your test from Exercise 47, this time using level of significance .
  2. How do you think we should resolve the apparent contradiction in Exercise 47 and part (a) of this exercise?
  3. Assess the strength of the evidence against the null hypothesis. Does this change depending on which level of you use?