December 2022
Beginner to intermediate
370 pages
8h 50m
English
Content preview from CompTIA Data+: DAO-001 Certification Guide
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10
Introduction to Inferential Statistics
In this chapter, we get into actual analyses—the fun part of data analysis. In this chapter, you will need to know what t-test, chi-square, correlation, and simple linear regression analyses are, as well as when to use them. We also included some hands-on practice for these analyses to help reinforce how and why each analysis is used. If you like, you are free to follow along and practice on your own, or you can simply read through and move on. Do what makes you feel confident in your understanding of the material.
In this chapter, we’re going to cover the following main topics:
- Understanding t-tests
- Knowing chi-square
- Calculating correlations
- Understanding simple linear regression
Technical requirements ...
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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.