AP Statistics

 Unit 1: Exploring One-Variable Data

 15% – 23%

 Unit 2: Exploring Two-Variable Data

 5% – 7%

 Unit 3: Collecting Data

 12% – 15%

 Unit 4: Probability, Random Variables, and   Probability  Distributions

 10% – 20%

 Unit 5: Sampling Distributions

 7% – 12%

 Unit 6: Inference for Categorical Data: Proportions

 12% – 15%

 Unit 7: Inference for Quantitative Data: Means

 10% – 18%

 Unit 8: Inference for Categorical Data: Chi-Square

 2% – 5%

 Unit 9: Inference for Quantitative Data: Slopes

 2% – 5%