1
Ask
Define the population, sample, variable, and claim.
2
Describe
Use visuals, center, spread, and shape to see the data honestly.
3
Infer
Quantify sampling uncertainty with intervals, tests, errors, and power.
4
Model
Study relationships while separating association from causation.
5
Check
Inspect assumptions, multiplicity, robustness, and practical meaning.
Read the definition, manipulate the widget, check the learning targets, then use the quiz to prove the idea stuck.