1. The table below summarizes baseline characteristics on patients participating in a clinical trial.
Characteristic Placebo (n=125) Experimental (n=125) P
Mean (+ SD) Age 54 + 4.5 53 + 4.9 0.7856
% Female 39% 52% 0.0289
Education 0.0986
Less than High School 24% 22%
Completing High School 37% 36%
Completing Some College 39% 42%
Mean (+ SD) Total Cholesterol 214 + 24.9 210 + 23.1 0.8954
% Current Smokers 17% 15% 0.5741
% with Diabetes 8% 3% 0.0438
a) Write the hypotheses and the test statistic used to compare ages between groups.

Question

1.	The table below summarizes baseline characteristics on patients participating in a clinical trial. 
Characteristic	Placebo (n=125)	Experimental (n=125)	P
Mean (+ SD) Age	54 + 4.5	53 + 4.9	0.7856
% Female	39%	52%	0.0289
Education			0.0986
    Less than High School 	24%	22%	
   Completing High School	37%	36%	
   Completing Some College	39%	42%	
Mean (+ SD) Total Cholesterol	214 + 24.9	210 + 23.1	0.8954
% Current Smokers	17%	15%	0.5741
% with Diabetes	8%	3%	0.0438
a)	Write the hypotheses and the test statistic used to compare ages between groups.