This is Statistics. Answer what is required. Provide clean and clear Solutions

2. A diet clinic states that there is an average loss of 24 pounds for those who stay on the program for 20 weeks. The standard deviation is 5 pounds. The clinic tries a new diet reducing salt intake to see whether that strategy will produce a greater weight loss. A group of 40 volunteers loses an average of 16.3 pounds each over 20 weeks. Should the clinic change the new diet? Use a= 0.05 Solution: Step 1: Ho: H. : I Step 2: a = Step 3: Zt = Step 4: Zc Step 5; Decision Rule: Step 6. Conclusion