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In Diabetes management ,an important treatment goal is to lower hemoglobin A1c,.Suppose we wanted to test the hypothesis that Drug A is more effective than Drug B in lowing the A1c level.healthy people who do not have diabetes have an A1c bet. 4 and 5 The goal in diabetes management is often to reduce the patient's A1c.
Using the following information ,compute t-statistic for independent groups.
A1c level after 3 mos. of treatment
mean with Drug A= 7.7
mean with Drug B = 7.5
each group has n= 30
SD1= .8
SD2= .7
What are the degrees of freedom and the value of t ? Using alpha =0.05 for a two tailed test, is this t statistic significant?
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