May 2019
Beginner
192 pages
4h 8m
English
Content preview from Statistics Essentials For Dummies
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Chapter 12
A Checklist for Samples and Surveys
IN THIS CHAPTER
Defining and getting good samples from the target population
Crafting and administering good surveys
Making appropriate conclusions
Surveys are all around you — I guarantee that at some point in your life, you’ll be asked to complete a survey. You’re also likely to be inundated with the results of surveys, and before you consume their information, you need to evaluate whether they were properly designed. In this chapter, I present a checklist you can use to evaluate or plan a survey.
The survey process can be broken down into a series of ten elements that should be checked:
- Target population is well defined.
- Sample matches the target population.
- Sample is randomly selected.
- Sample size is large enough.
- Nonresponse is minimized.
- Type of survey is appropriate.
- Questions are well worded.
- Survey is properly timed.
- Personnel are well trained.
- Proper conclusions are made.
This list helps you carry out your own survey or critique someone else’s survey. In the following sections, I address each item and discuss its role in getting a good survey done.
The Target Population Is Well Defined
The target population is the entire ...
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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.