A bell curves can be skewed negatively or positively

Bell curved distribution can be skewed, this is where the curve may happen more suddenly, The mode still marks the very top of the curve always, GCSE

Negatively Skewed Distribution - Overview and Applications in Finance

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Unit 4: Statistics & Test Construction

Dealing with Skewness in Machine Learning Data – Data Science

Understanding Skewness in Data & its type as Positive & Negative

Normal distribution: Embracing Normal Distribution: The Bell Curve of Data - FasterCapital

Skewness

Right Skewed vs. Left Skewed Distribution

A bell curves can be skewed negatively or positively