Even You Can Learn Statistics and Analytics: An Easy to Understand Guide to Statistics and Analytics, Third Edition

Chapter 6. Sampling Distributions and Confidence Intervals

6.1 Foundational Concepts

6.2 Sampling Error and Confidence Intervals

6.3 Confidence Interval Estimate for the Mean Using the t Distribution (σ Unknown)

6.4 Confidence Interval Estimation for Categorical Variables

6.5 Bootstrapping Estimation

Important Equations

One-Minute Summary

Test Yourself

Inferential statistics relies on the principle that sample statistics can be used to reach conclusions about population parameters. The idea that a small part of a much larger thing, a sample, can be used to reach conclusions about that much larger thing, a population, at first seems counterintuitive and that causes some people to be dismissive about inferential methods.

This chapter explains the ...