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.

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.