19. Blood Pressure Measurements Fourteen different second-year medical students took blood pressure measurements of the same patient and the results are listed below (data provided by Marc Triola, MD). Is there a correlation between systolic and diastolic values? Apart from correlation, is there some other method that might be used to address an important issue suggested by the data?

Systolic 138 130 135 140 120 125 120 130 130 144 143 140 130 150 Diastolic 82 91 100 100 80 90 80 80 80 98 105 85 70 100