Measures of Central Tendency

Overview

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This course provides a comprehensive understanding of central tendency measures, equipping students with the skills to compute, interpret, and distinguish these measures in frequency distributions. It delves into the selection of appropriate measures based on a variable's level of measurement and the shape of its frequency distribution. The course aims to enhance statistical literacy, promoting informed decision-making in various fields.

Syllabus

Learn With PsycLearn Essentials

This module introduces you to your PsycLearn Essentials course. Find out what’s included in this course and how to navigate the modules and lessons. You’ll also learn valuable study tips for successful learning.

Introduction to Measures of Central Tendency

Central tendency is a term for the middle of a distribution of data. You may have talked about averages like a grade point average or the average time spent on social media. In addition to averages, in this course we will also calculate and interpret two other measures of central tendency: the median and the mode.

Calculating and Interpreting a Mean

The mean is the most commonly used form of central tendency and is often, but not always, what people have in mind when they use the term “average.” This module examines in detail the mean and how it is calculated.

Identifying and Interpreting a Median

The median is a measure of central tendency that identifies the midpoint among the values in a data set. This module examines in detail the median and how it is located.

Identifying and Interpreting a Mode

The mode is the value in a data set that occurs most often. It can be used for any variable, even those at a nominal level of measurement. This module examines in detail the mode and how it is located.

Central Tendency Graphed

In this module we explore the relationship between measures of central tendency and how they are graphed in frequency distributions.

Choosing Between the Mean, Median, and Mode

This module provides opportunities to practice identifying the best measure of central tendency for a given data set.

Conclusion
PsycLearn Essentials APA Student Resources

This module provides a variety of information and tools from the American Psychological Association (APA) that will help inspire you as you complete your coursework and plan your career goals. Explore APA resources on various psychological issues and scholarly research and writing; a list of sites providing valuable resources on diversity, equity, and inclusion in psychology education and in the professional community; resources on a career in psychology; and links to career opportunities at the APA.