A data analyst collects and stores data on sales numbers, market research, logistics, linguistics, or other behaviors. They bring technical expertise to ensure the quality and accuracy of that data, then process, design and present it in ways to help people, businesses, and organizations make better decisions. A data analyst collects, analyzes, and stores data and uses it to help clients or companies make better decisions. Feel free to add your company’s data analyst job responsibilities and requirements to our data analyst description to create a custom job listing. Data Analysis using Python Bootstrapping A/B testing Hypothesis testing Descriptive & inferential statistics Regression