Use the data below to test the claim that the weight loss was greater with the low fat diet compared to the low carbohydrate diet.  Use a 5% level of significance. Low Fat Low Carbohydrate x¯1=4.7lbs s1=7.2lb n1=77                  x¯1=3.5lbs s1=6.9lb n1=52              Identify the tail of the test.                                   What is the P-value?                                  Will the null hypothesis be rejected?                                  Is the initial claim supported?

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Use the data below to test the claim that the weight loss was greater with the low fat diet compared to the low carbohydrate diet.  Use a 5% level of significance.

Low Fat Low Carbohydrate

x¯1=4.7lbs

s1=7.2lb

n1=77

                

x¯1=3.5lbs

s1=6.9lb

n1=52             

  1. Identify the tail of the test.                                  
  2. What is the P-value?                                 
  3. Will the null hypothesis be rejected?                                 
  4. Is the initial claim supported?                       

 

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