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.

Julie Gould learns of a career planning framework that can help pinpoint what you love about your current role, and how that ...

The Powerball jackpot is an estimated $384 million with a cash option of $173.1 million for the Wednesday, July 30, 2025 drawing. Matching the Powerball alone wins $4, and the drawing takes place at ...

The Mega Millions jackpot is an estimated $198 million with a cash option of $89.3 million for the Friday, August 15, 2025 drawing. No one won the Tuesday, August 12 drawing, leading to the jackpot ...

The Powerball jackpot for Monday, July 21, 2025, is an estimated $308 million with a cash option of $137.7 million. Drawings are held every Monday, Wednesday, and Saturday evening. The Powerball ...

No one won the Mega Millions jackpot in the Tuesday, Sept. 2, 2025, drawing. The winning numbers for the Sept. 2 drawing were 7, 17, 35, 40, 64, and the Mega Ball was 23. The jackpot for the next ...

No one won the $358 million Mega Millions jackpot for the Friday, Sept. 5, 2025, drawing. The winning numbers for the Sept. 5 drawing were 6, 14, 36, 58, 62, and the Mega Ball was 24. The next Mega ...

The Mega Millions jackpot is an estimated $150 million with a cash option of $67.9 million for the Tuesday, August 5, 2025 drawing. Mega Millions drawings occur twice a week, on Tuesdays and Fridays ...

The Powerball jackpot for Saturday's drawing is an estimated $565 million with a cash option of $255.3 million. Powerball drawings are held every Monday, Wednesday, and Saturday at approximately 10:59 ...

Learn how to use the High-Low Method to separate fixed and variable costs efficiently. Discover its applications, limitations, and how to calculate costs.