NumPy v1.26 Manual: Statistical functions, NumPy Developers, 2023 - Provides the official and most up-to-date reference for all statistical functions in NumPy, including detailed explanations of parameters like axis and behavior with NaN values.
Python for Data Analysis, Wes McKinney, 2022 (O'Reilly Media) - A foundational book for data manipulation and statistical analysis using NumPy and Pandas, offering practical guidance on array operations, aggregations, and data cleaning.
Hands-On Machine Learning with Scikit-Learn, Keras, & TensorFlow, Aurélien Géron, 2022 (O'Reilly Media) - While centered on machine learning algorithms, this book illustrates how statistical measures, often computed with NumPy, are applied in practical data preparation and feature engineering stages of ML workflows.