Learn the fundamentals of functions in calculus, including scalar and vector-valued functions, domain, range, examples, and best practices. Perfect for beginners in math, statistics, and machine learning.
🎯 The Sampling Distribution of the Sample Proportion In a population, the proportion is the number of successful outcomes over the total number of cases. This proportion is denoted by \( \beta \...
Understanding the difference between population, sample, and sampling distributions is essential for data analysis, statistics, and machine learning. In this guide, we’ll explain each type of distr...
The Central Limit Theorem (CLT) is a cornerstone of statistics and data science. It states that the distribution of sample means approaches a normal distribution as the sample size grows, regardless of the original population’s distribution. This powerful concept is essential for making statistical inferences, building confidence intervals, and running hypothesis tests. Whether you're analyzing user behavior in A/B testing or validating machine learning metrics, understanding CLT helps you interpret data more reliably and make better predictions.
Learn the difference between population and sample, key sampling techniques, and how sampling impacts data science and machine learning accuracy.
Learn how the binomial distribution works in statistics and machine learning. Explore real-world examples, formulas, and how to calculate success probabilities in binary events.
Master the Z-distribution — a key concept in data science that transforms values into z-scores, enabling outlier detection, standardization, and easier comparison across datasets. Essential for statistics and machine learning.
📌 What is Normal Distribution (Gaussian Distribution)? The normal distribution (or Gaussian distribution) is a type of continuous probability distribution for a real-valued random variable. It d...
How do we summarize a random variable with a single number? What happens to the mean and variance if we shift or scale the variable? This post explains the mean, variance, and standard deviation fo...
Learn how to understand and visualize random variables using PMF, PDF, and CDF. Covers discrete vs continuous distributions with real examples and intuitive plots.