Practical Statistics for Data Scientists: 50 Essential Concepts, Peter Bruce, Andrew Bruce, Peter Gedeck, 2020 (O'Reilly Media) - Connects statistical concepts directly to data science applications, providing practical explanations of descriptive statistics relevant to machine learning practitioners.
numpy.ptp, NumPy Developers, 2023 (NumPy Project/Community) - Official documentation for the NumPy function 'ptp' (peak-to-peak), which efficiently calculates the range of an array, relevant for Python implementations.
Introduction to Probability and Statistics (18.05), Jeremy Orloff, Jonathan Bloom, 2018 (MIT OpenCourseWare) - MIT OpenCourseWare materials providing a university-level introduction to probability and statistics, including fundamental concepts of descriptive statistics.