Lecture 4-2 - Zscore problems step by step rev 10 09 2020

In this video, we leverage the properties of standard scores (z-scores) and the standard normal distribution to address questions about our underlying raw data. What proportion of people score over 114 on an IQ test? What is the lowest IQ score you can have and be in the 95th percentile? We walk through the steps of addressing questions like these.