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Standardized test statistic: statistic − parameter standard error of the statistic. Confidence interval: statistic ± ( critical value )( standard error of statistic ) Chi-square statistic: 2 ∑ ( observed − expected ) 2. χ = expected III.
Sampling Distributions and Inferential Statistics. Standardized test statistic: statistic − parameter standard error of the statistic. Confidence interval: statistic ± ( critical value )( standard error of statistic ) Chi-square statistic: χ = 2 ∑ ( observed − expected )2. expected III.
The exam covers the following course content categories: Exploring One-Variable Data: 15%‒23% of test questions. Exploring Two-Variable Data: 5%‒7% of test questions. Collecting Data: 12%‒15% of test questions. Probability, Random Variables, and Probability Distributions: 10%‒20% of test questions.
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Download free-response questions from past AP Statistics exams, along with scoring guidelines, sample responses from exam takers, and scoring distributions.
When an AP Exam is administered, psychometric analysis determines the score ranges corresponding with each AP Exam score (5, 4, 3, 2, and 1) based on a composite score scale that combines and weights the different exam parts. Earning 40-50% of the available points can result in a score of 3 or better on many AP Exams.
AP® Statistics Syllabus 1 Syllabus 1058793v1 2 Overview of AP Statistics Course Design One of the greatest differences between teaching statistics and teaching most other mathematics courses is the ease with which a teacher may vary instruction and activi-ties. In the AP Statistics classes, students sit at tables that are pushed together to
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AP ® STATISTICS. About the Advanced Placement Program® (AP®) high school. AP Exams are given eac. year in May. Students who earn a qualifying score on an AP Exam are typically eligible to receive college credit and/or placement into advanced cours.
