Make inferences and justify conclusions from sample surveys, experiments, and observational studies.
Making Inferences and Justifying Conclusions
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Use data from a sample survey to estimate a population mean or proportion; develop a margin of error through the use of simulation models for random sampling.
Use data from a randomized experiment to compare two treatments; use simulations to decide if differences between parameters are significant.
Evaluate reports based on data.
Recognize the purposes of and differences among sample surveys, experiments, and observational studies; explain how randomization relates to each.