Learn about the three most essential statistical tests in data science — t-test, chi-square test, and ANOVA. Understand their use cases, assumptions, and real-world applications for better data-driven decisions. Introduction Statistical tests  are crucial instruments in data science  for data-driven decision-making. They assist in determining whether the patterns we observe in data are purely coincidental or significant. These tests give you a scientific basis for your conclu

Introduction In today’s analytics-driven business world, financial understanding is no longer reserved just for accountants or investment bankers — it’s a must-have skill for Business Analysts  and Data Analysts . Whether you’re analyzing revenue trends, building dashboards for management, or evaluating business performance, knowing the language of finance helps you connect data with real business outcomes. At IOTA Academy , we believe that financial analysis is the backbone

Learn how to use SQL Window Functions like ROW_NUMBER(), RANK(), LAG(), and SUM() OVER() to analyze data efficiently. Master SQL analytics and elevate your data skills. Introduction SQL is the cornerstone of data analysis and manipulation. While most users are familiar with SELECT, WHERE, and GROUP BY, few explore one of SQL’s most powerful and often underutilized features - Window Functions . If you've ever struggled to calculate rolling averages, rank items within groups, o

In today’s data-driven world, Business Intelligence (BI) professionals play a crucial role in transforming raw data into actionable insights that guide strategic decisions. Whether you’re applying for a Business Analyst role or aspiring to work with top organizations offering competitive packages like 12 LPA, mastering tools such as Power BI, Tableau, and Looker Studio  is essential. These platforms have become the industry standard for data visualization, reporting, and anal

In today's fast-paced digital world, acquiring the right IT skills is essential for career growth and staying relevant in the job market....