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Free SAT Inference from sample statistics and margin of error Practice Questions
These questions ask what a sample can legitimately tell you about a population. The SAT tests whether you know that a margin of error describes an interval, and that only a random sample supports a generalization.
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How the SAT tests inference from sample statistics and margin of error
You interpret confidence intervals and margins of error, and judge which population a result can be extended to.
Where the points go
Reading a margin of error as a guarantee about every individual, and generalizing from a sample that was not randomly selected.
Every question you miss here is added to your mistake log with the specific error identified, and brought back after three days and again after fourteen — no screenshots, no error journal to keep.
Other Problem-Solving and Data Analysis skills
- Ratios, rates, proportional relationships, and units
- Percentages
- One-variable data: distributions and measures of center and spread
- Two-variable data: models and scatterplots
- Probability and conditional probability
- Evaluating statistical claims: observational studies and experiments