The table below summarizes baseline characteristics of patientsparticipating in a clinical trial. a) Are there any statisticallysignificant differences in baseline characteristics betweentreatment groups? Justify your answer.
b) Write the hypotheses and the test statistic used to compareages between groups. (No calculations – just H0, H1 and form of thetest statistic).
c) Write the hypotheses and the test statistic used to compare %females between groups. (No calculations – just H0, H1 and form ofthe test statistic).
d) Write the hypotheses and the test statistic used to compare %females between groups. (No calculations – just H0, H1 and form ofthe test statistic.) Characteristic Placebo (n = 125) Experimental( n =125) P Mean (+ SD) Age 54 + 4.5 53 + 4.9 0.7856 % Female 39%52% 0.0289 % Less than High School Education 24% 22% 0.0986 %Completing High School 37% 36% % Completing Some College 39% 42%Mean (+ SD) Systolic Blood Pressure 136 + 13.8 134 + 12.4 0.4736Mean (+ SD) Total Cholesterol 214 + 24.9 210 + 23.1 0.8954 %Current Smokers 17% 15% 0.5741 % with Diabetes 8% 3% 0.0438
