https://gdpark.blog/tags/normal-distribution/Recent content in Normal Distribution on gdpark.blogHugoenTue, 21 Nov 2017 00:00:00 +0000https://gdpark.blog/posts/statistics-05-derivation-of-the-chi-squared-distribution/Fri, 17 Nov 2017 00:00:00 +0000https://gdpark.blog/posts/statistics-05-derivation-of-the-chi-squared-distribution/Chi-squared is just a gamma in disguise — we prove Z² follows it with 1 degree of freedom and show how sample variance ties in before jumping to the t-distribution.https://gdpark.blog/posts/statistics-08-hypothesis-testing/Tue, 21 Nov 2017 00:00:00 +0000https://gdpark.blog/posts/statistics-08-hypothesis-testing/A casual walkthrough of hypothesis testing basics — null vs. alternative hypotheses, Z-statistics, and how to decide when to reject what the data’s telling you.