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Daily Math Minute

Mathematics

Collecting Data

Sampling methods, surveys, and experimental design.

Study Design

Intermediate15 min
  • Distinguish between observational studies and experiments
  • Identify sources of bias in sampling
1

Sampling Methods

Comparing simple random, stratified, and cluster sampling.

15 min

2

Observational Studies vs. Experiments

Distinguishing observational studies from experiments and identifying confounding variables.

15 min