Problem-Solving and Data AnalysisEasyInterpreting a point on a scatterplot
Problem-Solving and Data Analysis practice question
A scatterplot shows, for each pupil in a class, the number of books read in a term (x-axis) and the pupil's reading test score (y-axis). One point is at (3, 8). What does this point represent?
- A. A pupil who read 3 books and scored 8Correct
- B. A pupil who read 8 books and scored 3
- C. Three pupils who each scored 8
- D. The average of all the pupils
Answer: A. A pupil who read 3 books and scored 8
x is books, y is score: 3 books, score 8.
Why the other answers are wrong
- B. A pupil who read 8 books and scored 3
- The coordinates are swapped.
- C. Three pupils who each scored 8
- Each point is one pupil.
- D. The average of all the pupils
- A single point is one pupil, not an average.
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