The data were plotted in graphs with the measured values on the horizontal axis and the number of times each value occurred on the vertical axis. Outcome 4 6)A person measures his or her heart rate by...The data were plotted in graphs with the measured values on the horizontal axis and the number of times each value occurred on the vertical axis. Outcome 4 6)A person measures his or her heart rate by counting the number of beats in 30 s as timed using a clock on the wall, such as the one in the image below. They start counting when the second hand jumps onto a particular tick mark (say the 12) and then stop counting when it jumps to the opposite mark (say the 6).
