Chapter 3: Central Tendency

Central Tendency
 What is Central Tendency

Mean
 Population and Sample Means
 The Mean as a Balance Point
 The Weighted Mean
 Calculating the Mean Using a Frequency Distribution Table
 How adding a new score (or removing a score) affects the mean
 How adding a constant to each score affects the mean
 How multiplying or dividing scores by a constant affects the mean

Median
 The Median
 The Median  Example with Continuous Data

Mode
 The Mode

Which Measure of Central Tendency Should You Use?
 Why the Mean is Best
 When to Use the Median
 When to Use the Mode
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