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Statistics 101: To z or to t, That is the Question.
In this video, we explore the difference between the z- and t-distributions. Many formulas in stats look exactly the same, except one has a z-term and the other has a t-term. Why? We also talk about sampling and sample size since they are related to the t-distribution concept.
My playlist table of contents, Video Companion Guide PDF documents, and file downloads can be found on my website: www.bcfoltz.com