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Topic 3: Measures of Central Tendency

Topic 3 deals with measures of central tendency.

Suggested Readings

  • Healey, Chapter 3: Measures of Central Tendency
  • Bennett, Chapter 4: Central Tendency & Dispersion (first part of chapter)

Lesson Objectives 

  • understand measures of central tendency be able to determine measures of central tendency for variables 

PPTs

Chapter 4: Measures of Central Tendency ppt 

Suggested Homework

    Objectives Check

    1. What are the three main measures of central tendency?
    2. Which is the most appropriate measure of central tendency for nominal level data?
    3. Which is the most appropriate measure of central tendency for ordinal level data?
    4. Which is the most appropriate measure of central tendency for interval-ratio level data?
    5. Explain when you might want to use a median rather than a mean for interval-ratio level data.

    Suggested SPSS Homework