General Skills

Measuring Spread and Variability

You'll learn what variability means and how to measure it using range and interquartile range. By comparing these two measures, you'll understand what each one reveals about how consistently data values cluster together and when each is most informative.

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4 lessons

15 practices

1 hour

Describing Data Statistically

Course details

Understanding Variability and Range

Preview

Comparing Data Spread

Finding Range From Prices

Reading Range From Data

Explain What Range Misses

Previous Course Next Course: Analyzing Data with Histograms

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Francisco Aguilar Meléndez

Data Scientist

+11

From our community

Hear what our customers have to say about CodeSignal Learn

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11

I love that it's personalized. When I'm stuck, I don't have to hope my Google searches come out successful. The AI mentor Cosmo knows exactly what I need.

Faith Yim

Software Engineer

+14

It's an amazing product and exceeded my expectations, helping me prepare for my job interviews. Hands-on learning requires you to actually know what you are doing.

Alex Bush

Full Stack Engineer

I'm really impressed by the AI tutor Cosmo's feedback about my code. It's honestly kind of insane to me that it's so targeted and specific.

Abbey Helterbran

Tech consultant

I tried Leetcode but it was too disorganized. CodeSignal covers all the topics I'm interested in and is way more structured.

Jonathan Miller

Senior Machine Learning Engineer

+12

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11

Measuring Spread and Variability

Course details

Unit 14 practices16 min

Unit 24 practices16 min

Unit 34 practices16 min

Unit 43 practices13 min

Turn screen time into skills time

Join the 1M+ learners on CodeSignal

From our community

From our community