A researcher wants to know if calcium is an effective treatmentfor lowering blood pressure. He assigns one randomly chosen groupof subjects to take calcium supplements; the other group will get aplacebo. At the end of the treatment period, he measures thedifference in blood pressure. The 50 members of the calcium grouphad blood pressure lowered by an average of 25 points with standarddeviation 10 points. The 50 members of the placebo group had bloodpressure lowered by an average of 15 points with standard deviation8 points. Is there evidence that calcium is an effective treatmentfor lowering blood pressure? State your hypotheses, the teststatistic and p-value, and then write a conclusion in terms of theproblem. Please show solution using Ti-83 plus
