Excel

Day 21 – Excel vs Power BI vs Tableau: Which Tool Should You Learn?

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Introduction (Comparative Analysis Style) Choosing the right analytics and visualization tool is critical for a data analyst’s productivity, efficiency, and career growth. Each tool has unique capabilities, and understanding them can save time and optimize business decision-making. Imagine a Nagpur-based retail company needing to analyze sales, customer behavior, and inventory data. Should they use Excel […]

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Day 13 – Hypothesis Testing & A/B Testing for Business Insights

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Introduction (Experimental Design + Business Insights) Hypothesis testing and A/B testing are critical for data-driven decision-making in 2025. They allow businesses to validate assumptions, optimize strategies, and measure outcomes. Imagine a Nagpur-based e-commerce company planning a marketing campaign. They have two email designs and want to determine which design increases click-through rates. Random guesses won’t

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Day 22 – Data Analyst Certifications to Boost Your Career in 2025

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Introduction (Career-Focused Certification Guide Style) In 2025, becoming a skilled data analyst requires not only hands-on experience but also recognized certifications. These certifications validate your skills, enhance credibility, and help you stand out in competitive markets. Imagine a Nagpur-based professional seeking to transition into data analytics. While self-learning Excel, SQL, and Python is valuable, certifications

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Day 4 – Data Cleaning & Preparation: The Foundation of Good Analysis

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Introduction (Real-World Style) Every analyst—whether in a multinational company or at a small café in Nagpur—faces the same frustrating truth: most datasets are messy. Before the glamour of dashboards, machine learning, or storytelling, comes the often-ignored step—data cleaning & preparation. When I train students at CuriosityTech.in, I tell them: “Data analysis is like cooking. If

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Day 25 – Career Roadmap: How to Become a Professional Data Analyst

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Introduction Data analytics is one of the fastest-growing career fields in 2025. Professionals skilled in data collection, cleaning, analysis, visualization, and storytelling are highly sought after across industries. Imagine a Nagpur-based graduate aspiring to become a professional data analyst. Without a structured learning path, mastering tools, techniques, and best practices can be overwhelming. A stepwise

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Day 1 of a 26-day 'Zero to Hero' guide for becoming a Data Analyst in 2025. The title reads 'What is Data Analysis? A Beginner's Guide for 2025.

Day 1 – What is Data Analysis? A Beginner’s Guide for 2025

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In 2025, the world runs on data. From the way you shop online, to how hospitals manage patients, to how governments make policies—data analysis drives it all. Yet, for beginners, the concept often feels like a giant buzzword floating around LinkedIn and YouTube. But data analysis is not just theory; it’s a skill of asking questions, exploring patterns, and making informed decisions.

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