Is the mean systolic blood pressure (at baseline) for patients assigned to placebo different from the mean for patients assigned to the treatment group?

Is the mean systolic blood pressure (at baseline) for patients assigne

1.	Is the mean systolic blood pressure (at baseline) for patients assigned to placebo different from the mean for patients assigned to the treatment group?
A.	Paired t test
B.	Two sample t test
C.	One sample t test
D.	Chi sq test
Answer» C. One sample t test