The dot plot, decoded When the central bank releases its Summary of Economic Projections each quarter, Fed watchers focus obsessively on one part in particular: the so-called dot plot.

The interquartile range (IQR) is a statistical measure of the middle values of a sample data set that is separated into four equal parts. This middle-value grouping can provide a median range ...

The Fed’s dot plot is a chart updated quarterly that records each Fed official’s projection for the central bank’s key short-term interest rate, the federal funds rate.