A dot plot or dot chart consists of data points plotted on a graph. The Federal Reserve uses dot plots to show its predicted interest rate outlook.

Statistics like resting heart rate, V02 max (maximal oxygen consumption) and heart rate variability (HRV) provide valuable insight into your fitness levels. But not all measurements are created equal.

As the popularity of smartwatches, also called wearables, increases, so too does the amount of data users can access about their health. Statistics like resting heart rate, V02 max (maximal oxygen ...