9. True Or False? Assume A Researcher Recruits 150 African American And Caucasian Individuals Taking Warfarin To Determine If There Is A Difference In The Mean Dosage Of The Medication. If The Mean Dosage For 75 Caucasian Individuals Required To Get Their INR Blood Test In Range Is 6.1 Mg With A Standard Deviation Of 1.7 Mg And The Mean Dosage For 75 African American Individuals Required To Get Their INR Blood Test In Range Is 4.3 Mg With A Standard Deviation Of 0.9 Mg, The Decision Rule For A 10% Level Of Significance Would Be To Reject H0 If Z ≤ -1.645 Or Z ≥ 1.645

9. True or False? Assume a researcher recruits 150 African American and Caucasian individuals taking warfarin to determine if there is a difference in the mean dosage of the medication. If the mean dosage for 75 Caucasian individuals required to get their INR blood test in range is 6.1 mg with a standard deviation of 1.7 mg and the mean dosage for 75 African American individuals required to get their INR blood test in range is 4.3 mg with a standard deviation of 0.9 mg, the decision rule for a 10% level of significance would be to reject H0 if z ≤ -1.645 or z ≥ 1.645

- November 14, 2022 - Edwin Tunner

9. True or False? Assume a researcher recruits 150 African American and Caucasian individuals taking warfarin to determine if there is a difference in the mean dosage of the medication. If the mean dosage for 75 Caucasian individuals required to get their INR blood test in range is 6.1 mg with a standard deviation of 1.7 mg and the mean dosage for 75 African American individuals required to get their INR blood test in range is 4.3 mg with a standard deviation of 0.9 mg, the decision rule for a 10% level of significance would be to reject H0 if z ≤ -1.645 or z ≥ 1.645

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