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
 Statistically significant
 Census
 Block
 Bias
 Randomized block design
o Convenience Sample
 Matched Pair Design
o Voluntary response sample
 Confounding
 Random Sampling
 Treatment
 Simple Random Sample
 Experimental units
 Stratified Random Sample
 Subjects
 Strata
 Random assignment
 Cluster sample
 Completely randomized design
 Clusters
 Observational Study
 Undercoverage
 Experiment
 Nonresponse
o Factors, Treatments, Response variable,
 Double – blind
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
24
25
Introductions/Expectations
Sampling Design SRS’s (4.1)
31
Observational Study vs.
Experiment (4.2)
1
Take-home quiz due
Experimental Design (4.2)
26/27
Sampling Design (4.1)
Bias, Random Digits,
Bear Hunt – Visual Bias Lab
2/3
Experimental Design (4.2)
Experimental Design WKST
7
8
Challenges of establishing
Causation (4.3)
9/10
FRAPPY!
Review Chapter 4
No School – Labor Day
28 Pep Rally
Get Textbooks – if needed
Federalist Paper activity
Assign take-home Quiz 4.1
4
Quiz 4.1 & 4.2
Assign Current Event
Project
11
Test 1: Chapter 4 Designing
Studies
Instructions for finding an SRS