A line of best fit is a straight line that minimizes the distance between it and some data. The line of best fit is used to express a relationship in a scatter plot of different data points.

Today in Money: We have an overview of the mortgage market, why rates are rising again, and the best deals available to first-time buyers. Plus, details of Ryanair's cabin bag changes. Listen as ...

How do today’s masters create their art? American Masters: Creative Spark presents narrative interviews that go in-depth with an iconic artist about the creation of a single work. Each episode ...

Hang Seng Index | historical charts for HSI to see performance over time with comparisons to other stock exchanges.

Trump Sends the National Guard Into Washington, D.C. The president’s announcement was an extraordinary exertion of federal power over an American city.