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AP Statistics 1.5 Graphical Representations for One Quantitative Variable Questions

Practise choosing and constructing displays for one quantitative variable, including back-to-back stemplots and histograms whose bins represent the data correctly.

Syllabus
Effective Fall 2026
Course
AP Statistics

Exam points

  • construct a back-to-back stemplot with shared stems, ordered leaves, labels, and a contextual key
  • choose a histogram that matches quantitative observations and use its bins to read frequencies

Covered syllabus points

1.5.A—Construct quantitative one-variable graphical representations

Question 1

Tropical storms in the Pacific Ocean with sustained winds that exceed 74 miles per hour are called typhoons. Graph A below displays the number of recorded typhoons in two regions of the Pacific Ocean-the Eastern Pacific and the Western Pacific-for the years from 1997 to 2010.

GRAPH A

GRAPH A

Graph B below shows both yearly frequencies (connected by dashed lines) and the respective 4-year moving averages (connected by solid lines). Use your answer in part (c) to complete the graph.

GRAPH B

GRAPH B

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