Statistics for data science
5 Docs
Foundations of Statistics
Last Updated: August 29, 20251. What is Statistics? 2. Population vs Sample 👉 We usually study the sample, because studying the whole population is...
Descriptive Statistics (Step 2)
Last Updated: August 29, 2025This part is about summarizing data so it makes sense at a glance. 1. Measures of Central Tendency These tell...
📍 Measures of Central Tendency
Last Updated: August 29, 2025Let’s dig deeper into the Measures of Central Tendency (Mean, Median, Mode), and when each one is the best to...
Data Visualization: Histograms
Last Updated: August 30, 20251. What is a Histogram? Example:If you record weights of 50 students and group them into ranges (50–55kg, 55–60kg, etc.),...
Data Visualization: Boxplot (a.k.a. Whisker Plot)
Last Updated: August 30, 20251. What is a Boxplot? 2. Structure of a Boxplot 👉 Formula for IQR: IQR=Q3−Q1 3. When to Use a...