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AP Statistics Exam Preparation Guide

May 5, 2025

The Ultimate Guide to the AP Statistics Exam

Overview

  • Date: Thursday, May 8th, 2025 at 8:00 am
  • Format: Hybrid digital exam
    • Multiple-choice questions in Bluebook app
    • Free-response questions handwritten

Exam Structure

  • Total Length: 3 hours
  • Sections:
    • Multiple Choice
      • 40 questions
      • 90 minutes
      • Worth 50% of exam score
      • Average time per question: ~2 minutes
    • Free Response
      • 5 short-answer questions
      • 1 Investigative Task
      • 90 minutes total
      • Worth 50% of exam score
      • Short-answer: ~12 minutes each
      • Investigative Task: ~30 minutes

Exam Content

  • Units Covered:
    1. Exploring One-Variable Data (15-23% of exam)
    2. Exploring Two-Variable Data (5-7% of exam)
    3. Collecting Data (12-15% of exam)
    4. Probability, Random Variables, and Probability Distributions (10-20% of exam)
    5. Sampling Distributions (7-12% of exam)
    6. Inference for Categorical Data: Proportions (12-15% of exam)
    7. Inference for Quantitative Data: Means (10-18% of exam)
    8. Inference for Categorical Data: Chi-Square (2-5% of exam)
    9. Inference for Quantitative Data: Slopes (2-5% of exam)

Sample Questions

  • Multiple-Choice: Analyze charts/graphs.
  • Short-Answer: Multi-part questions (~12 minutes each).
  • Investigative Task: In-depth, multi-part problem (~30 minutes).

Grading

  • Multiple Choice:
    • 1 point per correct answer
    • No penalty for wrong answers
  • Free Response:
    • Scored out of 24 points (0-4 per question)
    • Holistically graded

Scoring

  • Estimating Your Score:
    1. Multiply correct multiple-choice answers by 1.25
    2. Add free-response questions 1-5 scores and multiply by 1.875
    3. Multiply free-response question 6 score by 3.125
    4. Add all scores for Composite Score
  • Score Conversion:
    • Based on Composite Score, determine AP score (1-5)
    • Distribution of scores provided for 2024

Preparation Tips

  1. Answer Entire Free-Response Questions:
    • Be comprehensive; holistic grading requires full solutions.
  2. Use Your Calculator Effectively:
    • Familiarize yourself with your calculator to save time.
  3. Know Your Vocabulary:
    • Understand key terms to enhance explanations and answers.

Resources

  • Practice Tests:
    • Official: 2012, 1997 Complete Tests, Free-Response 1998-2024
  • Study Tips:
    • Practice exams and grading for self-estimation
    • Focus on free response questions, calculator skills, and vocabulary

Additional Resources

  • Guides to statistical significance, hardest AP exams, and math class selections
  • PrepScholar's advice blog for further guidance and tips