Even You Can Learn Statistics: A Guide for Everyone Who Has Ever Been Afraid of Statistics, Second Edition

Chapter 6. Sampling Distributions and Confidence Intervals

6.1 Sampling Distributions

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

Important Equations

One-Minute Summary

Test Yourself

In Section 1.3, you learned that you can use inferential statistics to make conclusions about a large set of data called the population, based on a subset of the data, called the sample. Specifically, inferential statistical methods use a single sample to calculate a sample statistic from which conclusions about a population parameter are made. Using a small part to make conclusions about a whole larger thing ...