(Steps Shown) A drug is used to lower blood pressure. A sample of eight patients were given the drug. Their blood pressure was taken before and after the drug.
Question: A drug is used to lower blood pressure. A sample of eight patients were given the drug. Their blood pressure was taken before and after the drug. These are dependent samples. Test the claim, at the .05 level, that the drug lowers the pressure. State the hypotheses and identify the claim. find the critical value(s), compute the test value, make the decision and summarize the results.
Before After
135 124
120 118
155 148
137 128
115 112
187 172
173 161
160 151
Deliverable: Word Document