Posts tagged "Statistics"

By Tooladex Team • February 15, 2026

Weighted Average Calculator: Calculate Weighted Means for Grades, Investments, and More

Learn how to calculate weighted averages when different values have different importance. Perfect for course grades, investment portfolios, surveys, and performance evaluation. Includes formula, examples, and step-by-step calculations.

Weighted AverageMath Tools

By Tooladex Team • February 2, 2026

Average Calculator: Calculate Mean, Median, Mode, and Range Instantly

Learn how to calculate mean, median, mode, and range from a list of numbers. Understand different types of averages and when to use each. Use our free Average Calculator with multiple input formats and detailed statistical insights.

Average CalculatorMath Tools

By Tooladex Team • January 24, 2026

How to Generate Random Numbers Fairly (And Why It Matters)

Learn why fair random number generation matters for games, lotteries, sampling, and testing. Discover common biases and how to generate truly random numbers using proper tools.

Random NumbersMath Tools