Use Microsoft Excel to calculate EBITDA (earnings before interest, tax, depreciation, and amortization) profit margin.

Excel and Google Sheets have three functions to calculate the internal rate of return: IRR, XIRR, and MIRR. Learn how these functions can calculate investment returns.

We used particle size analysis to test the best coffee grinders—and maybe find out why the coffee they make tastes so good.

The presence of variance heterogeneity and nonnormality in educational and psychological data may frequently invalidate the use of the analysis of variance (ANOVA) F test in one-way independent groups ...

ChatGPT can be an extremely helpful tool, but some tasks are better done by humans.

The practitioner of the analysis of variance often wants to draw as many conclusions as are reasonable about the relation of the true means for individual "treatments," and a statement by the F-test ...

Microsoft Excel is testing a new “COPILOT” function that lets you use AI to generate summaries, tables, tags, and more based on a group of cells you specify.

Coinbase CEO Brian Armstrong told his engineers to at least sign up for the company's AI tools by the end of the week or explain why they hadn't.

To start: Vaccine critics like Mr. Kennedy often give the impression that scientists haven’t seriously researched whether vaccines might cause autism.

All analyses were performed using Microsoft Excel's Data Analysis Toolpak. Odds ratios (ORs) were calculated using the 2 × 2 contingency table to compare the likelihood of death in different locations ...

Politicians who have tried to use social media in recent campaigns have not always been successful. Here’s why.

Alan Tudyk says he got higher test scores than Will Smith during 'I, Robot' test screenings, which led him to being dropped from the film's publicity.