Statistics and Data Analysis: Free Online Course & Practice
Data displays, statistical summaries, association, sampling, probability, normal models, inference, p-values, and AP / college-style conclusions.
Algebra I-complete learners, AP prep, and adult refreshers5 units49 lessons2226 practice & quiz problemsFree
Not sure where to start? Take the free 15-minute placement check to pinpoint your gaps, then practice with instant feedback and worked solutions.
Take the free Statistics and Data Analysis placement check Open the Statistics and Data Analysis courseCourse outline
Data Foundations
- Variables, Cases, and Data Types
- Frequency Tables and Bar Charts
- Dot Plots, Histograms, and Distribution Shape
- Shape, Center, Spread, and Outliers
- Mean, Median, Mode, and Range
- Quartiles, IQR, and Box Plots
- Standard Deviation
- Comparing Distributions
- Data Foundations Checkpoint
Two-Variable Data
- Two-Way Frequency Tables
- Conditional Relative Frequency
- Scatter Plots and Association
- Correlation and Causation
- Least-Squares Lines
- Residuals and Model Fit
- Prediction, Interpolation, and Extrapolation
- Two-Variable Data Checkpoint
Collecting Data
- Populations, Samples, Parameters, and Statistics
- Random Sampling and Bias
- Surveys and Observational Studies
- Experiments and Random Assignment
- Control, Placebo, and Blinding
- Scope of Inference
- Simulation Basics
- Collecting Data Checkpoint
- Statistics Midterm Exam
Probability and Distributions
- Probability Models
- Complements, Unions, and Intersections
- Conditional Probability
- Independence
- Tree Diagrams and Multi-Step Probability
- Expected Value
- The Binomial Setting
- Binomial Probabilities
- Normal Distributions and Z-Scores
- Probability and Distributions Checkpoint
Inference and Conclusions
- Sampling Variability
- Sampling Distributions and Standard Error
- Confidence Intervals for Proportions
- Confidence Intervals for Means
- Hypothesis Test Logic
- Hypothesis Tests for Proportions
- Hypothesis Tests for Means
- Chi-Square Tests and Two-Way Tables
- P-Values and Statistical Significance
- Type I Error, Type II Error, and Power
- AP and College-Style Statistical Conclusions
- Inference and Conclusions Checkpoint
- Statistics Final Exam
Frequently asked questions
Is the Statistics and Data Analysis course free?
Yes. The entire Statistics and Data Analysis course — 49 lessons, 2226 practice and quiz problems, worked solutions, and the placement check — is free to use at ClearMath Academy.
What does the Statistics and Data Analysis course cover?
Data displays, statistical summaries, association, sampling, probability, normal models, inference, p-values, and AP / college-style conclusions. It spans 5 units and 49 lessons, each with a worked example and practice problems with step-by-step solutions.
Who is Statistics and Data Analysis for?
Statistics and Data Analysis is aimed at algebra i-complete learners, ap prep, and adult refreshers. You can take a free 15-minute placement check first to find exactly which lessons to start with.
How do I find my gaps in Statistics and Data Analysis?
Take the free Statistics and Data Analysis placement check. It pinpoints the specific skills you're missing in about 15 minutes and builds a practice plan focused on those gaps.