The Normal Distribution, Percentiles, Cumulative Probability, Z-Scores, Z-Score Standardization, and The Empirical Rule (aka 68-95-99.7 rule) are all curcial concepts within statistics and statistical modelling to understand. These are all looked at in this video with a simple non-abstract concept like exam scores. The Normal Distribution is one of the most important statistical distributions with its iconic bell shaped curve and is crucial to understand. By the end of this video you should be ready to tackle your homework or exam questions and to have a solid foundation and understanding for more advanced topics. Make sure you stick around to the end of the video in order to make sure you don't miss anything! Try to attempt the challenge problem at the end and leave your answers in the comments below. Timestamps: 0:00 Exam Score Statistics and the Normal Distribution 0:31 Normal Distributed Data 0:50 Normal Distribution Basics 1:26 Standard and Non-Standard Normal Distribution Equations 2:05 Z-Score Standardization 2:25 Calculating Percentiles 3:24 Calculating Exam Score From Percentiles 4:20 Challenge Videos which are relevant to this video: Standard Deviation Explained - Videos which you may find interesting: What are Confidence Intervals - Understanding P Values in under 3 minutes - Understanding Type 1 and 2 Statistical Errors - #statistics #normaldistribution #zscore #mathematics #standarddeviation #probability