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.

A nonlinear relationship can be viewed in scatter plots on a graph. Scatter plots follow a certain pattern, but that pattern is not linear, meaning the representation is not a straight line.

The mockery about “chart crimes” — big boo-boos with data graphics — nearly overshadowed the technology upgrades announced by two artificial intelligence start-ups.

Crime in D.C. and nationwide is declining from pandemic-era spikes. But individual incidents can shake residents and capture the president’s attention.