Chapter 4: Designing Studies AP Statistics Mrs. Harrison

Essential Questions:1. How do statisticians plan and conduct surveys and experiments?2. What goes in to designing an accurate experiment?

Knowledge: You should be able to define, illustrate, or calculate the following: Population & Sample Census Bias

o Convenience Sampleo Voluntary response sample

Random Sampling Simple Random Sample Stratified Random Sample Strata Cluster sample Clusters Undercoverage Nonresponse Double – blind

Statistically significant Block Randomized block design Matched Pair Design Confounding Treatment Experimental units Subjects Random assignment Completely randomized design Observational Study Experiment

o Factors, Treatments, Response variable, Units/subjects

Skills: You should be able to… Use a table of random digits to select random samples Outline an experiment using a diagram Plan and conduct surveys and experiments using appropriate methods of data collection

Monday Tuesday Wednesday Thursday Friday20 First Day of School

Introductions/Expectations

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Sampling Design (4.1)

22Sampling Methods (4.1)Federalist Papers ActivityTake-home Quiz 4.1

23 No late arrivalExploring the Practice of Statistics and College Board Websites

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Bear Hunting Lab

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Observational Study vs. Experiments (4.2)

28Take-home quiz dueExperimental Design (4.2)

29Challenges of establishing Causation (4.3) & Experimental Design WKST

30 31 Pep Rally

Quiz 4.2

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Labor Day – No School

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FRAPPY!Review

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Test 1: Chapter 4Designing Studies

6 No late arrival 7

Instructions for finding an SRS