Free 2-page reference for AP Statistics inference: The Statistician’s Core Loop (8-step hypothesis testing framework) and The Map of Inferential Statistics (test selection guide with formulas). Print as a classroom poster, student handout, or notebook insert.

PAGE 1: THE STATISTICIAN’S CORE LOOP

The 8-step reasoning framework that works for EVERY statistical test:

• Research Question

• Null Hypothesis

• Sampling Distribution Under H₀

• Observed Sample Result

• Is It Unusual? (test statistic + p-value)

• Decision

• Plausible Range (Confidence Interval)

• Interpret in Context

Each step includes the key question students should ask themselves — building statistical THINKING, not just procedural steps.

PAGE 2: THE MAP OF INFERENTIAL STATISTICS

• All AP Statistics tests organized in three columns: Comparing Numbers, Comparing Categories, Comparing Relationships

• Formula reference for every test (t-tests, z-tests, chi-square, regression)

• “Which Test Do I Use?” decision flowchart (3 questions to identify any test)

• The universal pattern every test follows: (observed – expected) / normal variation

WAYS TO USE THIS:

• Laminate as a classroom poster

• Print as a student reference handout

• Include in student notebooks or binders

• Project during review sessions

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© 2026 Dovetail Press LLC. Free for personal classroom use. Do not redistribute or modify for resale.