Welcome to On Statistics

In the realm of data visualization, histograms reign supreme for displaying the distribution of numerical data. However, when comparing datasets with different sizes or focusing on relative proportions, relative frequency histograms offer a valuable alternative. This article delves into the world of relative frequency histograms, exploring their construction, applications, advantages, and illustrative examples, with a…

Just like measuring central tendency, there are various ways to quantify dispersion, each with its strengths and weaknesses: Range: The simplest measure, calculated by subtracting the minimum value from the maximum. Easy to understand but sensitive to outliers and ignores the distribution’s shape. Formula: Range = Maximum Value – Minimum Value Example: A dataset has…

In the vast ocean of data, finding the central point, the representative value – that’s the goal of measures of central tendency. These statistical tools help us summarize and understand the ‘typical’ value within a dataset, providing a single point of reference for further analysis. But just like there are different ways to describe the…

Imagine you’re a detective, investigating a crime scene. You can’t interview every single person in the city, but by analyzing clues and interviewing a few suspects, you can form an educated guess about the culprit. Similarly, in statistics, inferential statistics acts as your detective toolkit, allowing you to draw conclusions about entire populations based on…

Welcome to the wonderful world of probability and statistics! This tutorial will provide a basic introduction to these two interconnected fields, equipping you with the foundational knowledge to delve deeper. Part 1: Probability – The Language of Chance Probability deals with the likelihood of events happening. It helps us quantify uncertainty and make informed decisions…