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Unit 13 of 16
Statistics
Sampling and comparison reasoning.
Every topic follows the curriculum standard
Learn→See→Try→Explain→Verify→Challenge→Transfer→Master
Topics in this unit
4 topics. Each card opens a full topic workspace and supports all eight learning actions.
Random Sampling
Why representativeness matters
Inferences from Samples
Generalizing with care
Comparing Two Distributions
Informal comparative inference
Three-pathway connections
Study this unit at three depths — current-grade mastery, advanced thinking, and competition mathematics.