Interactive Demo
Confidence Interval Simulator
Confidence Interval Simulator is a free, interactive learning demo from the Statistics and Probability course on Lykke. It helps you build intuition for Point Estimates, Margin of Error, Critical Values (z* and t*), Confidence Level. Play with it directly in your browser — it features 3 sliders, 1 button, direct drag interaction and a live visual canvas. This demo lives in the “Estimating with Confidence Intervals” section of the course.

How to use this demo
- Drag the “Confidence Level: 95 %”, “Sample Size (n): 30” sliders to change the inputs and watch the result update live.
- Click and drag directly on the canvas to manipulate the scene.
- Use the “Reset” button to trigger actions or reset the demo.
- Experiment freely — there's nothing to break, and every change is reversible.
What you'll explore
- Point Estimates
- Margin of Error
- Critical Values (z* and t*)
- Confidence Level
- T-distributions
Frequently asked questions
What does the Confidence Interval Simulator demo do?
Confidence Interval Simulator Confidence Level: 95 % Sample Size (n): 30 0 Intervals 0% Capture Rate Reset Click anywhere in the box to generate a new sample and its confidence interval. Confidence Interval Simulator lets you explore this hands-on instead of only reading about it.
What Statistics and Probability concept does Confidence Interval Simulator teach?
Constructing intervals to estimate population parameters with a specific level of confidence. It focuses on Point Estimates, Margin of Error, Critical Values (z* and t*), Confidence Level, T-distributions from the “Estimating with Confidence Intervals” section.
What can I control in Confidence Interval Simulator?
The “Confidence Level: 95 %”, “Sample Size (n): 30” sliders change the key inputs; you can drag elements directly on the canvas; the “Reset” button run actions or reset the demo. Every change updates the visualization in real time, so you can see exactly how each variable affects the outcome.
How does Confidence Interval Simulator fit into the Statistics and Probability course?
The Client Challenge course is a comprehensive curriculum in Statistics and Probability, designed to take learners from foundational data analysis to advanced statistical inference. The course covers the visualization a… This demo is the interactive piece for the “Estimating with Confidence Intervals” section. Open the full Statistics and Probability course wiki at https://www.getlykke.com/explore/public/statistics-and-probability-b71199d8-8b56-46fd-a7b9-599a91a064e1 for notes, flashcards, quizzes and the other demos.
What will I understand better after using Confidence Interval Simulator?
You'll build intuition for Point Estimates, Margin of Error, Critical Values (z* and t*), Confidence Level, T-distributions — and, crucially, see how they behave when you change the inputs, which is hard to get from a textbook or lecture on Statistics and Probability alone.
From the Statistics and Probability course
This interactive demo is part of the Estimating with Confidence Intervals section. Explore the full Statistics and Probability course wiki on Lykke — with notes, flashcards, quizzes and more interactive demos.
Open the Statistics and Probability course →