What is the difference between IQR and standard deviation?
An example of an AI chatbot conversation about comparing IQR and standard deviation.
What is the difference between IQR and standard deviation?
The Interquartile Range (IQR) measures the spread of the middle 50% of data, while standard deviation measures overall data variability.
When should I use IQR instead of standard deviation?
Use IQR when your data has outliers or is skewed, as it is less affected by extreme values than standard deviation.
Can you give an example of how to calculate both?
Sure! For IQR, subtract the first quartile (Q1) from the third quartile (Q3). For standard deviation, calculate the mean, then find the average of the squared differences from the mean.
Which one is better for normally distributed data?
For normally distributed data, standard deviation is generally preferred as it provides a complete picture of variability.
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