2015, Question 5 · 4 points
Arm span versus height body shapes
Describe the scatterplot of arm span against height, decide whether the regression line or the line y equals x helps classify body shapes and count each shape, then predict arm span for a given height.
This exam had six free-response questions, each scored from 0 to 4. Its Question 6, the Investigative Task, is no longer part of the exam. The current exam has 4 free-response questions in 90 minutes. The skills these questions practice still count.
Lessons this question draws on
1 Read the question
The question is College Board's, from the 2015 exam. It starts on page 10 of the PDF. College Board no longer posts this exam, so it opens from the copy of College Board's PDF that the Internet Archive saved on April 14, 2025.
Open Question 5 (PDF, page 10)
2 Write your answer
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3 Score it
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Scoring guidelines (PDF, page 15) What the exam readers saw (Student Performance Q&A)
Question, scoring guidelines and Chief Reader report: College Board, from the Internet Archive. The title, summary are ours.