AP STATISTICS

UNIT 4: Statistical Inference

High School Mathematics

The Practice of Statistics, 2nd Ed.

Target Time Frame: 26 – 30 days

STANDARD / ESSENTIAL QUESTION / DEPTH for MASTERY / Sections / COMMENTS
IVA: Understand, translate, and compute confidence intervals for proportions, means, the difference of two proportions and the difference of two means, paired and unpaired. / What does a confidence interval tell me?
How do I compute a CI by hand? On my calculator? / All / Ch. 10.1
Ch. 11.2
Ch. 12.2 / Resources:
Activity 10 (TPOS)
Special Problem #10B (GRB)
2000-FR#2
2003-FR#1
IVB: Perform tests of significance for proportions, means, the difference of two proportions and the difference of two means, paired and unpaired; understand the logic of significance testing and p-values; understand and compute Type I and II errors and power of the test; understand and use the concept of the Chi-square test. / What is a null hypothesis?
What does a p-value tell me?
What does it mean to make a Type I or II error?
When do I use the x2 test? / All / Ch. 10.2, 10.3, 10.4
Ch. 11.2
Chapter 12
Chapter 13 / Resources:
Activity 11 (TPOS)
APEX-Classtools Online
1999-FR#6
1998-FR#5
2003-FR#2
2003-FR#5
IVC: Identify special cases of normal distributions; identify when to use the t-distribution; understand when and how to use one-sample and two-sample t procedures; conduct inference testing for the slope of the least-squares regression line. / When do I use t procedures?
What are the conditions for regression inference? / All / Chapter 11
Chapter 14 / Resources:
APEX-Classtools Online
1997-FR#5
2001-FR#6

UNIT COMMENTS: This unit must be completed prior to the AP Exam. Notes in the Comments column that have a year and FR# refer to an AP Exam, noting the year and free response question number.