6. [14 points] Does drinking coffee affect blood flow, particularly during exercise? Doctors studying healthy subjects m
Posted: Thu May 05, 2022 9:14 pm
6. [14 points] Does drinking coffee affect blood flow, particularly during exercise? Doctors studying healthy subjects measured myocardial blood flow (MBF) during bicycle exercise before and after giving the subjects a dose of caffeine that was equivalent to drinking two cups of coffee. The table below shows the MBF levels before and after the subjects took a tablet containing 200 mg of caffeine. Subject Before After 1 6.37 4.52 2 5.69 5.44 3 5.58 4.70 4 5.27 3.81 5 5.11 4.06 6 4.89 3.22 7 4.70 2.96 8 3.53 3.20 Perform a complete analysis of these data. [You can choose either a hypothesis test, or a confidence interval in your analysis.]