# AP Statistics 2002 Free Response Questions

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In summary, the AP Statistics 2002 Free Response Questions consist of six questions covering various topics in statistics and are scored on a scale of 0-4 points for each part, with a total possible score of 24 points. Students are allowed to use a graphing calculator, and the purpose of the questions is to assess understanding and application of statistical concepts. The recommended approach is to carefully read and answer each part of the question, show all work, and support answers with reasoning or calculations.
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Can you show some work/initial ideas?

see below:Question 3 of the 2002 AP Statistics free response questions asks students to analyze a study on the effects of a new drug on lowering cholesterol levels. The study included a control group and two treatment groups, one receiving the new drug and the other receiving a placebo. The question asks students to determine if there is a significant difference in cholesterol levels between the treatment groups and to interpret the results.

To determine if there is a significant difference between the treatment groups, students are asked to calculate a p-value using a t-test. The p-value is found to be 0.02, which is less than the typical significance level of 0.05. This indicates that there is a significant difference between the treatment groups. However, the study also included a control group, and the p-value for the comparison between the control group and the placebo group was found to be 0.06, which is not significant. This suggests that the new drug may not be significantly more effective than a placebo.

The question also asks students to interpret the results in terms of the null and alternative hypotheses. The null hypothesis states that there is no difference in cholesterol levels between the treatment groups, while the alternative hypothesis states that there is a difference. Based on the p-value, we can reject the null hypothesis and accept the alternative hypothesis, meaning that there is a significant difference in cholesterol levels between the treatment groups.

In conclusion, the 2002 AP Statistics free response question #3 provides students with an opportunity to apply their knowledge of t-tests and hypothesis testing to a real-world scenario. By analyzing the study and interpreting the results, students are able to demonstrate their understanding of these statistical concepts.

## 1. What is the format of the AP Statistics 2002 Free Response Questions?

The AP Statistics 2002 Free Response Questions consist of six questions, each with multiple parts. The questions cover a variety of topics in statistics, including exploratory analysis, probability, and inference.

## 2. How are the AP Statistics 2002 Free Response Questions scored?

The AP Statistics 2002 Free Response Questions are scored on a scale of 0-4 points for each part of each question, with a total possible score of 24 points. The scoring guidelines are determined by a panel of experienced AP Statistics teachers and are used to ensure consistency in scoring across all exams.

## 3. Are there any calculators allowed for the AP Statistics 2002 Free Response Questions?

Yes, students are allowed to use a graphing calculator for the AP Statistics 2002 Free Response Questions. However, only certain types of calculators are allowed, and students should make sure to check the College Board's calculator policy before the exam.

## 4. What is the purpose of the AP Statistics 2002 Free Response Questions?

The AP Statistics 2002 Free Response Questions are designed to assess students' understanding of key concepts and skills in statistics. They also provide an opportunity for students to demonstrate their ability to apply statistical methods to real-world situations.

## 5. Is there a recommended approach for answering the AP Statistics 2002 Free Response Questions?

Yes, the College Board recommends that students carefully read each question and its parts before beginning to answer. It is also important to show all work and clearly label any graphs or diagrams. Additionally, students should be sure to answer each part of the question and to support their answers with appropriate reasoning or calculations.

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