September 2014
Intermediate to advanced
512 pages
12h 39m
English
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Getting started with statistical hypothesis testing – a simple z-test
Statistical hypothesis testing allows us to make decisions in the presence of incomplete data. By definition, these decisions are uncertain. Statisticians have developed rigorous methods to evaluate this risk. Nevertheless, some subjectivity is always involved in the decision-making process. The theory is just a tool that helps us make decisions in an uncertain world.
Here, we introduce the most basic ideas behind statistical hypothesis testing. We will follow an extremely simple example: coin tossing. More precisely, we will show how to perform a z-test, and we will briefly explain the mathematical ideas underlying it. This kind of method (also called the frequentist method ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.