Correlation & Covariance Explained Without Complicated Math | upGrad Learning

Understand Correlation vs Covariance in the simplest way possible with real-world examples and beginner-friendly explanations. In this video, you’ll learn how covariance and correlation are used in statistics, data science, and data analysis to identify relationships between variables. If you are learning Statistics for Data Science, Machine Learning, or Data Analytics, then understanding correlation and covariance is extremely important because these concepts are widely used in feature selection, trend analysis, predictive modeling, and exploratory data analysis (EDA). 🔗 Prefer learning offline? Explore upGrad centers in your city: https://bit.ly/42MIAg2 Following are the concepts covered in this video: 00:00 - Introduction to Covariance & Correlation 00:24 - Real-Life Examples of Variable Relationships 00:47 - What are Covariance and Correlation? 01:14 - Importance in Data Analysis 01:41 - Relationship Between Two Variables 02:08 - Speed vs Time Example 02:36 - Temperature vs AC Usage 03:06 - Temperature vs Heater Usage 03:37 - Direct vs Inverse Relationships 04:15 - Definition of Covariance 04:38 - Summer AC Usage Example 05:02 - Monsoon Heater Usage Example 05:37 - Mathematical Intuition Behind Covariance 06:12 - Above Average vs Below Average Values 06:43 - Positive and Negative Deviations 07:14 - Covariance Formula Explanation 07:55 - Limitations of Covariance 08:29 - Example Covariance Calculation 09:08 - Why Covariance Alone is Not Enough 09:33 - Need for Scaling the Data 10:01 - Introduction to Correlation 10:24 - Correlation Formula Explained 10:59 - Correlation Range: -1 to +1 11:26 - Visualizing Negative Correlation 11:57 - Visualizing Positive Correlation 12:29 - Covariance vs Correlation Summary 12:57 - Understanding Correlation Strength 13:23 - Ice Cream vs Soup Sales Example #correlation #covariance #datascience #statistics #machinelearning #dataanalysis #statisticsfordatascience #dataanalytics #correlationcoefficient #learnstatistics #upgradlearning