StatStuff is the only FREE source for complete Lean Six Sigma Training

  • Register
  • Login


The only FREE source for complete Lean Six Sigma training!

Inter-Quartile Range (IQR)

Search for dictionary terms (regular expression allowed)
Begin with Contains Exact termSounds like
All A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Term Definition
Inter-Quartile Range (IQR)

A measure suggesting the amount of variation in a distribution by expressing the range of the middle 50% of the data points. It is calculated as (Q3 - Q1) and is commonly used when the data is non-normally distributed. The smaller the result is, then the less variation there may be in the distribution. 
Related StatStuff Video: 
   -Section 5-Measure Phase, Lesson #12 - Spread

All A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Search the Dictionary of Lean Six Sigma Tools/Concepts

Search for dictionary terms (regular expression allowed)
Begin with Contains Exact termSounds like

Stop taking notes! Instead of wasting time taking notes, get the book with the complete LSS training content.

If StatStuff has helped you, then please make a donation