Open Study Questions

What are Open Study Questions/Answers?They are an experimental hybrid of blog posts and citable research notes. My hope is they might facilitate answering questions raised in my studies.
 (with proposed answer Sample vs population variance with multivariate distributions)
 (with proposed answer Sample vs population variance with Bernoulli distributions)
 (with proposed answer https://castedo.com/osa/137/)
 (with proposed answer https://castedo.com/osa/136/)
 (with proposed answer https://castedo.com/osa/135/)
 (with proposed answer https://castedo.com/osa/134/)
 (with proposed answer https://castedo.com/osa/133/)
 (with proposed answer https://castedo.com/osa/132/)
 (with proposed answer https://castedo.com/osa/130/)
 (with proposed answer Entropy Scope of Relevance)
 (with proposed answer Scoped Entropy)
 (with proposed answer Extending Shannon entropy to continuous variables)