Free
Course

Statistics: Variance and Standard Deviation

Learn how to calculate, interpret, and report the variance and standard deviation

  • Skill level

    Beginner
  • Time to complete

    Approx. 2 hours
  • Certificate of completion

    Included with paid plans
  • Prerequisites

    None

About this course

Datasets are more than just a single number, and this course teaches you how to calculate, interpret, and report the variance and standard deviation. You’ll learn how the standard deviation helps describe a dataset and what it means to have both low and high variance and standard deviation.

Skills you'll gain

  • Calculate variance and standard deviation

  • Explain what the variance and standard deviation mean about a dataset

  • Accurately report the variance and standard deviation

Syllabus

The platform

Hands-on learning

Don’t just watch or read about someone else coding — write your own code live in our online, interactive platform. You’ll even get AI-driven recommendations on what you need to review to help keep you on track.
Animated demonstration of running code in Codecademy's learning environment

Reviews from learners

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    Codecademy Learner @ USA
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    Codecademy Learner @ UK
  • Brilliant learning experience. Very interactive. Literally a game changer if you're learning on your own.
    John-Andrew
    Codecademy Learner @ USA

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Practice projects

Guided projects that help you solidify the skills and concepts you're learning.

Assessments

Auto-graded quizzes and immediate feedback help you reinforce your skills as you learn.

Certificate of completion

Earn a document to prove you've completed a course or path that you can share with your network.

Join over 50 million learners and start Statistics: Variance and Standard Deviation today!

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