Asked by James
                A researcher conducts a test on the effectiveness of a cholesterol treatment on 114 total subjects. Assuming the tails of distributions are normal distribution, is there evidence that the treatment is effective?  What is the Null and alternative hypothesis.
            
            
        Answers
                    Answered by
            PsyDAG
            
    Lacking data. What was the mean and standard deviation of the change in cholesterol levels?
    
                    Answered by
            James
            
    PsyDAG this is all the information that was given in the class.
A researcher conducts a test on the effectiveness of a cholesterol treatment on 114 total subjects. Assuming the tails of distributions are normal distribution, is there evidence that the treatment is effective?
  
Cholesterol Decreased No Cholesterol Decrease Total
Treatment 38 18 56
 
No treatment 30 28 58
 
Total 68 46 114
 
    
A researcher conducts a test on the effectiveness of a cholesterol treatment on 114 total subjects. Assuming the tails of distributions are normal distribution, is there evidence that the treatment is effective?
Cholesterol Decreased No Cholesterol Decrease Total
Treatment 38 18 56
No treatment 30 28 58
Total 68 46 114
                    Answered by
            PsyDAG
            
    Normal distribution not needed. Can do Chi-square (X^2) test.
https://www.google.com/search?client=safari&rls=en&q=chi+square+calculator&ie=UTF-8&oe=UTF-8&gws_rd=ssl
    
https://www.google.com/search?client=safari&rls=en&q=chi+square+calculator&ie=UTF-8&oe=UTF-8&gws_rd=ssl
                    Answered by
            Anonymous
            
    A researcher conducts a test on the effectiveness of a cholesterol treatment on 114 total subjects. Assuming the tails of distributions are normal distribution, is there evidence that the treatment is effective? What is the Null and alternative hypothesis.
    
                    Answered by
            Anonymous
            
    A researcher conducts a test on the effectiveness of a cholesterol treatment on 114 total subjects. Assuming the tails of distributions are normal distribution, is there evidence that the treatment is effective?
  
Cholesterol Decreased
 
No Cholesterol Decrease
 
Total
 
Treatment
 
38
 
18
 
56
 
No treatment
 
30
 
28
 
58
 
Total
 
68
 
46
 
114
 
    
Cholesterol Decreased
No Cholesterol Decrease
Total
Treatment
38
18
56
No treatment
30
28
58
Total
68
46
114
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