UNIT 4
Chapter 4
Sample Surveys and Experiments Vocabulary: population, units, sample, census, parameter, statistic, biased, sampling bias, size bias, volunteer sample, voluntary response bias, convenience sample, judgement sample, sampling frame, nonresponse bias, questionnaire bias, incorrect response bias, simple random sample (SRS), stratified random sample, cluster sample, twostage cluster sample, systematic sample with random start, experiments, lurking variable, treatments, subjects, response variable, confounding, observational study, factors, levels, clinical trial, placebo effect, control group, comparison group, treatment group, blind, doubleblind, experimental units, replication, completely randomized design (CRD), paired comparison design (matched pairs and repeated measures), blocking, Chapter 3 Test Thursday, November 3 Section 4.1 Nov 3, 7 P: 1, 2, 3, 4, 5, 6 E: 1, 3, 5, 7, 9, 10 Section 4.2 Nov 9 P: 7, 8, 9, 10, 11, 12 E: 15, 16, 17, 22 Section 4.3 Nov 13, 15 P: 14, 15, 16, 17, 18, 21 / 23, 24, 25, 26, 27 E: 23, 24, 25, 26, 27 / 28, 29, 30, 32 Section 4.4 Nov 17 P: 28, 29, 30, 31, 32 E: 33, 35, 37, 39 November 21 Review Exercises: 4161 odd AP Sample Test Answers Chapter 4 Test Monday, November 28 

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