QUESTION 1 A medical researcher wants to prove that a treatment of poison ivy is
ID: 3183495 • Letter: Q
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QUESTION 1 A medical researcher wants to prove that a treatment of poison ivy is effective. How would you categorize each of the outcomes in Questions 1 to 4? Question 1. Truth: The treatment is effective. The test on the sample leads the researcher to conclude that it is effective. Oa. Type I error Ob. Type ll error C. Correct conclusion QUESTION 2 Truth: The treatment is ineffective. The test on the sample leads the researcher to conclude that it is effective. a. Type I error Ob Type II error Oc correct conclusionExplanation / Answer
A medical examiner want to prove that a treatment of poison ivy is effective.
For this null hypothesis is Ho: Treatment of poison ivy is ineffective.
Type - 1 error : Reject Ho when Ho true
Type -2 Error : Accept Ho when Ho false
Correct Conclusion : Reject Ho when Ho is false
Correct Conclusion : Accept Ho when Ho is true
Question 1: Truth : Treatment is effective ;test on the sample leads researcher to conclude that it is effective.
Truth : Treatment is effective i.e Ho is false ;
Test on the sample leads researcher to conclude that it is effective i.e Reject Ho
Reject Ho when Ho is false : Correct Conclusion
c. Correct Conclusion
Question 2:Truth : Treatment is ineffective ;test on the sample leads researcher to conclude that it is effective.
Truth : Treatment is ineffective i.e Ho is True ;
Test on the sample leads researcher to conclude that it is effective i.e Reject Ho
Reject Ho when Ho is true : Type I error
Answer : a.Type I error
Question 3: Truth :The treatment is effective.The sample does not provide sufficient evidence for researcher to conclude that he treatment is effective.
Truth : Treatment is effective : Ho is false
The sample does not provide sufficient evidence for researcher to conclude that he treatment is effective. i.e Accept Ho
Type II error :Accept Ho when Ho is false
Answer :b.Type II error.
Question 4: Truth : The treatment is ineffective : The sample does not provide sufficient evidence for researcher to conclue that the treatment is effective.
Truth : The treatment is ineffective : Ho is true
The sample does not provide sufficient evidence for researcher to conclue that the treatment is effective. : Accept Ho
Correct conclusion : Ho is true and Accept Ho
Ans : c. Correct Conclusion
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