Learn what residual standard deviation is, how to calculate it in regression analysis, and why it's crucial for measuring predictability and goodness-of-fit in data modeling.

Per household per day (132.2M households, 2024 FRED): $2.27–$7.56 (consensus), ~$7.94 (our working top), ~$9.08–$9.83 ...

Coastal flood advisory remains in effect for parts of Virginia until 8 p.m. Friday Robert Redford death: Butch Cassidy and the Sundance Kid star and Hollywood legend dies aged 89 Mace to file ...

A federal rule enabling real-time access to prescription drug pricing, coverage details and prior authorization requirements is set to take effect Oct. 1. The regulation, finalized in July as part of ...

Today’s economic calendar kicks off with data that could influence early market moves. Initial and Continuing Jobless Claims for the week, alongside the highly anticipated Q2 Second Reading Annualized ...

For the elite firms that manage private assets, it looks like an unqualified win: A $12 trillion market for retirement savings is opening up. For savers, it will mean a fresh menu of investments, and ...

Apple launches the iPhone 17. See prices, colors, new features. South Korea sends plane to retrieve workers in Georgia as detentions risk opening rift between longstanding allies Judge pauses ...

Cincinnati Bengals coach Zac Taylor isn’t putting as much stock in what he’s seeing from his defense this preseason, but the snaps with starters on the field haven’t looked good. ExploreBengals ...

The conservative target of 6474-504 has been met. This was highlighted when 6147 broke in early July. The next target is near 7000. The charts are healthy, and accompnanied by a positive backdrop - ...

Even before Donald Trump officially began his second term in office, his family businesses were beginning the race to milk the presidency for every cent they could. Now, a new analysis from The New ...

Delta-9-tetrahydrocannabinol, or delta-9 THC, has been widely studied because it is the main psychoactive ingredient in cannabis. Its effects show up in many ways, depending on how much you use, how ...

President Donald Trump just enacted a new wave of tariffs on dozens of America’s trading partners, marking a substantial escalation in ongoing trade tensions that could constitute the biggest change ...