You are assigned to run a study comparing a new medication (xbar1 = 17.47, n1 = 19), an existing medication (xbar2 = 17.94, n=18), and a placebo (xbar3= 13.70, n3 = 20), with higher scores reflecting better outcomes. Use SSb=210.10 and SSw=133.90 and a following t-test to determine if the new medication outperforms the existing medication. O Reject the null hypothesis; the new drug and the existing drug are different. Reject the null hypothesis; the new drug and the existing drug are not different. O Fail to reject (retain) the null hypothesis; the new drug and the existing drug are not different. Fail to reject (retain) the null hypothesis; the new drug and the existing drug are different.
You are assigned to run a study comparing a new medication (xbar1 = 17.47, n1 = 19), an existing medication (xbar2 = 17.94, n=18), and a placebo (xbar3= 13.70, n3 = 20), with higher scores reflecting better outcomes. Use SSb=210.10 and SSw=133.90 and a following t-test to determine if the new medication outperforms the existing medication. O Reject the null hypothesis; the new drug and the existing drug are different. Reject the null hypothesis; the new drug and the existing drug are not different. O Fail to reject (retain) the null hypothesis; the new drug and the existing drug are not different. Fail to reject (retain) the null hypothesis; the new drug and the existing drug are different.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 11PPS
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