Advanced Placement Statistics covering data analysis, probability, and statistical inference.
Getting good data starts with choosing the right sample and designing fair experiments.
Good experiments control for variables and use random assignment to avoid bias. They often include:
The way you gather data affects what you can conclude. Good design leads to trustworthy results.
A pollster uses a stratified sample to ensure all age groups are represented in a survey.
A scientist randomly assigns participants to receive a new medication or a placebo.
Learn how to choose samples and design experiments for reliable results.