The table below lists the blood pressure among patients for various dose ( placebo, 1.0 mg, 2.0mg ) of a certain drug:

Research Question: whether there are mean differences of blood pressure among different doses.

1. Write the test hypotheses
2. Construct and fill out the ANOVA table by hand( show your work)
3. Conduct the F test
4. State your conclusion

Subjects	Placebo	1.0 mg	2.0 mg
1	160	155	120
2	140	170	130
3	155	180	125
4	175	165	140
5	180	155	100
6	200	160	90