🎓 Free interactive course · no sign-up

Interactive Statistics Course

Build real intuition, one interactive tool at a time.

A free, interactive course from describing data to probability, distributions, inference and regression — plain-language explanations, fully worked examples, and hands-on widgets you tweak right in your browser.

  • Plain-language explanations with fully worked examples
  • Hands-on interactive tools you can tweak right in the browser
  • Descriptive stats, probability, distributions, inference and regression
  • Free and open — no account required
Start the free course → Learn it here, then test yourself below.
7
Modules
35+
Lessons
Free
Always
📊 Science

📊 Statistics Test

4.8/5 from 1,950+ users

Practice statistics from descriptive summaries to inference and regression

  • Descriptive Statistics
  • Probability
  • Distributions
  • Inference & Regression
45+ Questions
30 min Duration
Beginner to Advanced Difficulty
Multiple Choice Format
$5.99
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Test Overview

⏱️
Duration 30 minutes
📝
Questions 45+
📊
Difficulty Beginner to Advanced
🎯
Format Multiple Choice

Topics Covered

Master these essential concepts that are fundamental to Science

📊

Descriptive Statistics

Mean, median, spread, standard deviation, quartiles and the shape of data

🎲

Probability

Sample spaces, the addition and multiplication rules, conditional probability and Bayes

🔔

Distributions

Random variables, the binomial and normal distributions, z-scores and the empirical rule

🔬

Inference & Regression

Sampling and the CLT, confidence intervals, p-values, correlation and least-squares lines

How It Works

1

Pick Difficulty

Choose a difficulty and how many questions you want

2

Solve Problems

Work through computational and conceptual multiple-choice questions

3

Review Explanations

See a worked explanation for every question after you answer

4

Track Progress

Watch your accuracy improve across statistics topics

Tips for Success

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Read whether a question asks for a sample or a population standard deviation

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For probability, decide if events are independent or mutually exclusive first

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Remember a p-value is not the probability that the null hypothesis is true

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Correlation measures linear association only — and never proves causation

Frequently Asked Questions

From introductory descriptive statistics through first-year university topics such as the Central Limit Theorem, confidence intervals and regression.

A basic calculator helps on the computational questions; many conceptual questions test understanding rather than arithmetic.

Yes. The free Interactive Statistics Course teaches every topic with hands-on tools before you test yourself here.

Ready to Test Your Statistics Test Knowledge?

Start practicing now and master the fundamental concepts