a) Are there any statistically significant differences in baseline characteristics between treatment groups?

b) Write the hypotheses and the test statistic used to compare ages between groups. (No calculations - just H₀, H₁ and form of the test statistic).

c) Write the hypotheses and the test statistic used to compare % females between groups. (No calculations - just H₀, H₁ and form of the test statistic).

d) Write the hypotheses and the test statistic used to compare % females between groups. (No calculations - just H₀, H₁ and form of the 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 0.4736

Mean (+ SD) Total Cholesterol 214 + 24.9 210 + 23.1 0.8954

% Current Smokers 17% 15% 0.5741

% with Diabetes 8% 3% 0.0438

Please help me. I'm studying for an exam and would like to use this as study material. Thank you.