Oct 27, 2025 · 5 min read · In the field of statistics and data analysis, comparing means is a frequent endeavor—whether that means testing the effectiveness of a new drug or analyzing average student scores before and after a training program. In reaching these means accuratel...
Join discussion
Oct 23, 2025 · 10 min read · Descriptive and Inferential Statistics, Detailed note on Hyothesis Testing, Covariance and Correlation The two main types of Statistics: Descriptive Inferential - Descriptive and Inferential Statistics Descriptive Statistics describes or summar...
Join discussion
Oct 15, 2025 · 8 min read · Since I worked in Customer Experience in Banco Galicia some years ago, I’ve been having this Idea in the back of my mind, and finally now I have the opportunity to focus on it. What was my original idea about? To measure the NPS value with the result...
Join discussion
Sep 20, 2025 · 3 min read · Smoking addiction is one of the most challenging habits to break. Despite knowing the harmful effects—lung cancer, heart disease, and decreased quality of life—many people struggle to quit. Traditional methods like nicotine patches, medications, and ...
Join discussion
Aug 30, 2025 · 4 min read · Hypothesis testing is a core technique in data analytics that allows analysts to make decisions about a population based on sample data. By comparing two competing hypotheses, the null hypothesis (H₀) and the alternative hypothesis (H₁), hypothesis t...
Join discussion
Aug 12, 2025 · 2 min read · In data science, many decisions depend on knowing whether a change is truly working or if the results are just random. Hypothesis testing is the method used to check this with the help of data and statistics. What is Hypothesis Testing? Think of it l...
Join discussionJul 4, 2025 · 2 min read · Introduction Inferential statistics is a branch of statistics that allows us to make conclusions about a larger population based on a sample of data. Unlike descriptive statistics, which only summarizes data, inferential statistics helps us make deci...
Join discussion
Jun 29, 2025 · 4 min read · Note: To follow this article, it helps to be familiar with the concept of a Normal Distribution, and also with the idea of sampling from a statistical distribution. 📌 Introduction The Central Limit Theorem (CLT) is one of the most powerful and sur...
Join discussionJun 27, 2025 · 4 min read · 📌 Introduction Imagine running an experiment, collecting data, performing a hypothesis test—and failing to detect a true effect simply because your study was underpowered. Frustrating, right? This is where power analysis steps in. It’s a critical to...
Join discussionJun 19, 2025 · 3 min read · In the world of statistics and data analysis, making decisions based on sample data is a delicate task. One key concept that helps us judge the effectiveness of our statistical tests is Statistical Power. In this blog, we’ll break down what statistic...
Join discussion