Suppose a hypertension trial is mounted and 18 participants are randomly assigned to one of the comparison treatments. Each participant takes the assigned medication and his or her systolic blood pressure is recorded after 6 months on the assigned treatment. The data are as follows.
Standard Treatment
Placebo
New Treatment
124
134
114
111
143
117
133
148
121
125
142
128
150
122
115
160
Is there a difference in mean systolic blood pressure among treatments? Run the appropriate test at α = 0.05.
Already registered? Login
Not Account? Sign up
Enter your email address to reset your password
Back to Login? Click here