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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: 2 ∑ ( observed − expected ) 2. χ = expected III.
- Part (c):
- 3 Substantial Response
- 2 Developing Response
- 1 Minimal Response
- 3 Substantial Response
- 2 Developing Response
- 1 Minimal Response
- 3 Substantial Response
- 2 Developing Response
- 1 Minimal Response
- Intent of Question:
- 3 Substantial Response
- 2 Developing Response
- 1 Minimal Response
- 3 Substantial Response
- 2 Developing Response
- 1 Minimal Response
- Part (a):
The histogram clearly shows the bimodal nature of the distribution of room sizes, but this is not apparent in the boxplot.
Two sections essentially correct and one section partially correct
Two sections essentially correct and no sections partially correct OR One section essentially correct and one or two sections partially correct OR Three sections partially correct
One section essentially correct OR No sections essentially correct and two sections partially correct
Two parts essentially correct and one part partially correct
Two parts essentially correct and no parts partially correct OR One part essentially correct and one or two parts partially correct OR Three parts partially correct
One part essentially correct OR No parts essentially correct and two parts partially correct
Two parts essentially correct and one part partially correct
Two parts essentially correct and no parts partially correct OR One part essentially correct and one or two parts partially correct OR Three parts partially correct
One part essentially correct OR No parts essentially correct and two parts partially correct
The primary goals of this question were to assess a student’s ability to perform an appropriate hypothesis test to address a particular question. More specific goals were to assess students’ ability to state appropriate hypotheses, identify the appropriate statistical test procedure, check appropriate assumptions/conditions for inference; calculate...
Two sections essentially correct and one section partially correct
Two sections essentially correct and no sections partially correct OR One section essentially correct and one or two sections partially correct OR Three sections partially correct
One section essentially correct OR No section essentially correct and two sections partially correct
Two parts essentially correct and one part partially correct
Two parts essentially correct and no parts partially correct OR One part essentially correct and one or two parts partially correct OR Three parts partially correct
One part essentially correct OR No parts essentially correct and two parts partially correct
Because random sampling was used, the results of the sample may be generalized to the population of rental prices for one-bedroom apartments in the city that are listed on this particular website at the time the sample was taken.
- 437KB
- 30
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.
- 2MB
- 76
• To satisfy component 2, the response must indicate that the experimental units are individual people. The response could refer to participants, subjects, twins, or members of the pairs of twins without explicitly
Excerpted from the AP Statistics Course and Exam Description, the Course at a Glance document outlines the topics and skills covered in the AP Statistics course, along with suggestions for sequencing. PDF.
AP Exams are given each 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 courses in college.
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Course Content overview. The topics for AP Statistics are divided into four major themes: exploratory analysis (20–30 percent of the exam), planning and conducting a study (10–15 percent of the exam), probability (20–30 percent of the exam), and statistical inference (30–40 percent of the exam).
