Скачать или смотреть How to Read a T-Table: Step-by-Step Student's T-Distribution Guide

Master the art of statistical analysis! In this comprehensive guide, we demystify the Student's T-Table and show you exactly how to use it for hypothesis testing and confidence intervals.Whether you are a data science professional or a student, understanding the T-distribution is essential when working with small sample sizes where the standard normal distribution (Z-score) doesn't apply.In this video, you will learn:The fascinating history of William Sealy Gosset and the Guinness Brewery.How to calculate Degrees of Freedom (df) ($n - 1$).The difference between One-Tailed and Two-Tailed tests.How to find the Level of Significance (Alpha).A real-world example: Calculating a 95% confidence interval for quality control.The T-distribution is a family of curves that accounts for uncertainty. We explain why "fatter tails" matter and how the T-value eventually converges to the Z-score as your sample size increases.