The Powerball jackpot is an estimated $410 million with a cash option of $186.2 million for the August 2, 2025 drawing. Drawings are held every Monday, Wednesday and Saturday at 10:59 p.m. ET.

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.

Dr. James McCaffrey presents a complete end-to-end demonstration of linear regression with two-way interactions between ...

The Powerball jackpot resets to $20 million after a winning ticket was sold in California for Saturday's drawing. The next Powerball drawing is Monday, June 2, 2025, at 10:59 p.m. ET. Powerball ...

The Powerball jackpot is an estimated $174 million with a cash option of $79.7 million for the Wednesday, July 2, 2025 drawing. Powerball drawings are held every Monday, Wednesday and Saturday at ...