Interactive Demo
Chi-Square Goodness-of-Fit Interactive
Chi-Square Goodness-of-Fit Interactive is a free, interactive learning demo from the AP Statistics course on Lykke. It helps you build intuition for Chi-Square Goodness-of-Fit Test, Chi-Square Test for Homogeneity, Chi-Square Test for Independence, Expected Counts vs. Observed Counts. Play with it directly in your browser — it features interactive elements you can explore. This demo lives in the “Unit 8: Inference for Categorical Data: Chi-Square” section of the course.
How to use this demo
- Experiment freely — there's nothing to break, and every change is reversible.
What you'll explore
- Chi-Square Goodness-of-Fit Test
- Chi-Square Test for Homogeneity
- Chi-Square Test for Independence
- Expected Counts vs. Observed Counts
- Chi-Square Statistic Calculation
- Degrees of Freedom for Two-Way Tables
Frequently asked questions
What does the Chi-Square Goodness-of-Fit Interactive demo do?
Use Chi-Square tests to analyze distributions of categorical variables and determine relationships between them. Chi-Square Goodness-of-Fit Interactive turns that idea into something you can manipulate directly and watch respond.
What AP Statistics concept does Chi-Square Goodness-of-Fit Interactive teach?
Use Chi-Square tests to analyze distributions of categorical variables and determine relationships between them. It focuses on Chi-Square Goodness-of-Fit Test, Chi-Square Test for Homogeneity, Chi-Square Test for Independence, Expected Counts vs. Observed Counts, Chi-Square Statistic Calculation, Degrees of Freedom for Two-Way Tables from the “Unit 8: Inference for Categorical Data: Chi-Square” section.
How does Chi-Square Goodness-of-Fit Interactive fit into the AP Statistics course?
AP Statistics introduces students to the major concepts and tools for collecting, analyzing, and drawing conclusions from data. The course is equivalent to a one-semester introductory college statistics course and focus… This demo is the interactive piece for the “Unit 8: Inference for Categorical Data: Chi-Square” section. Open the full AP Statistics course wiki at https://www.getlykke.com/explore/public/ap-statistics-70553ac9-70f9-422d-b8b6-c328240d85c1 for notes, flashcards, quizzes and the other demos.
What will I understand better after using Chi-Square Goodness-of-Fit Interactive?
You'll build intuition for Chi-Square Goodness-of-Fit Test, Chi-Square Test for Homogeneity, Chi-Square Test for Independence, Expected Counts vs. Observed Counts, Chi-Square Statistic Calculation, Degrees of Freedom for Two-Way Tables — and, crucially, see how they behave when you change the inputs, which is hard to get from a textbook or lecture on AP Statistics alone.
From the AP Statistics course
This interactive demo is part of the Unit 8: Inference for Categorical Data: Chi-Square section. Explore the full AP Statistics course wiki on Lykke — with notes, flashcards, quizzes and more interactive demos.
Open the AP Statistics course →