Learn how to calculate the combined ratio for insurance companies, including financial and trade basis methods, using loss and expense ratios for profitability analysis.

This video explains how to multiply numbers in Excel using the correct formulas and methods for accurate calculations. It covers basic multiplication techniques commonly used in spreadsheets, making ...

The original version of this story appeared in Quanta Magazine. In 1939, upon arriving late to his statistics course at UC Berkeley, George Dantzig—a first-year graduate student—copied two problems ...

Imagine investing in a promising project, only to realize years later that it’s taking far longer than expected to recoup your initial outlay. Wouldn’t it have been invaluable to know upfront how long ...

With most of Washington shut down, the Bureau of Labor Statistics recalled employees to ensure that one statistic was released on time: the consumer price index. The Social Security Administration ...

The leading approach to the simplex method, a widely used technique for balancing complex logistical constraints, can’t get any better. In 1939, upon arriving late to his statistics course at the ...

Have you ever found yourself wrestling with Excel formulas, trying to calculate moving averages or rolling totals, only to end up frustrated by the constant need for manual adjustments? You’re not ...

The home office deduction allows some filers to claim a tax break for expenses incurred working remotely. If you were a W-2 employee in 2024 — meaning your company withholds taxes from your paycheck — ...

Calculating a weighted average in Excel is essential when you need to account for varying degrees of importance among data points. Unlike a simple average calculation that treats all values equally, a ...

We calculate compound interest based on frequency. This frequency is the compound frequency, which refers to the number of times an interest is calculated and added to the principal amount within the ...