This article examines the most common statistic reported in scientific papers and used in applied statistical analyses – the p-value. The article goes through the definition illustrated with examples, discusses its utility, interpretation, and common misinterpretations of observed statistical significance and significance levels. It is structured as follows: p-value definition and meaning What does ‘p‘ […] Read More…
Author Archives: Georgi Georgiev
The p value – definition and interpretation of p-values in statistics
Posted in Science
Tagged hypothesis, nhst, null hypothesis, p-value, probability, significance level, statistical significance, statistics, type I error
December 9, 2020
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BMI for Women: Does a BMI Calculator for Women Make Sense?
There are multiple BMI calculators out there, including our own online Body Mass Index calculator. Some of them make a distinction between the sexes and produce different results for men and women. Others don’t make such a distinction, including those put forth by the most respected health organizations such as the U.S. CDC, NIH, and […] Read More…
Posted in Health
Tagged BMI, body mass index, calculate body mass, weight loss
March 10, 2020
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How to Punch Harder – Increase Your Punching Power Using Physics
If you are into fighting sports such as boxing, kickboxing, MMA, sanda or even a traditional martial art, you probably want to increase the punching power of your fists. When discussing how to punch harder one can hear contradictory advice for example “speed equals power” and “power is not speed”. It seems much of the […] Read More…
Posted in Science, Sports
Tagged boxing, impact force, kinetic energy, martial arts, mma, physics, punch, punching power
March 8, 2020
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Compound Annual Growth Rate (CAGR) – What You Need to Know
In this article we will talk about CAGR (Compound Annual Growth Rate) in detail, including the formula for computing it, how to calculate it in Excel, how to interpret it, its utility in assessing financial assets, making predictions, and more: What does CAGR stand for? What is Compound Annual Growth Rate? CAGR calculation formula CAGR […] Read More…
Posted in Finance
Tagged annual growth, CAGR calculator, compound rates, financial forecasting, growth rate, Investments
January 27, 2020
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What is Six Sigma Process Control and Why Most Get It Wrong (1.5 Sigma Shift)
What is Six Sigma? Six Sigma, commonly written as 6σ, is a set of techniques for process improvement originally developed for industrial manufacturing by engineer Bill Smith at Motorola in the 1980-s. A central part of the six sigma tools are procedures for statistical process control: ensuring production meets particular quality standards which result in […] Read More…
Posted in Business
Tagged industrial quality control, manufacturing, process control, quality control, sigma level, sigma shift, six-sigma
July 25, 2019
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The Mathematics of Weight Loss – Putting the 3500 Calorie Myth to Rest
There is a lot of scientific work done with regards to the reduction in caloric intake required to achieve a particular weight loss goal. The mathematics behind the science of weight loss are, in fact, quite fascinating and in this article we will go over them in some detail. In doing so, we will address […] Read More…
Posted in Health, Wellness
Tagged calorie intake, calories, energy balance, tdee, weight loss, weight loss goals
March 28, 2019
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