4. (15 points total) The following data are measures of pulmonary vascular resistance (PVR) in eight lambs before and after infusion of the drug histamine. Answer the following to perform a statistical test to determine whether histamine increases PVR on average. Lamb ID PVR before histamine PVR after histamine 1 0.095 0.176 2 0.106 0.142 3 0.082 0.194 4 0.152 0.136 5 0.090 0.115 6 0.086 0.084 7 0.137 0.103 8 0.121 0.189 a) (3 points) Name of hypothesis test: b) (2 point) Ho: c) (2 point! Hg: d) (4 points} Test Statistic: e) (2 points) p-value: f) (2 points} Decision in the context of the