At AlexDoesData, I share insights on how data science and analytics can drive real business impact. Each post breaks down complex concepts into practical lessons that bridge the gap between data and decision-making.
How Business Professionals Can Ask the Right Data Questions
October 02, 2025
Learn how asking the right questions turns data into real business impact. Inspired by Becoming a Data Head, this post highlights practical questions every professional should ask to clarify problems, challenge data quality, and make smarter decisions.
The Framework That Moves Every Data Project Forward
October 10, 2025
The CRISP-DM framework outlines six essential stages that guide every data project — from defining the business problem to delivering insights that drive measurable impact. This post breaks down each phase in clear, practical terms for professionals working with data.
Uncovering Hypothesis Tests and Confidence Intervals
November 04, 2025
Explore how hypothesis tests and confidence intervals work together to turn small samples into powerful insights. This post breaks down each concept in plain language and shows how they help data scientists draw accurate, statistically sound conclusions.