Problem-Solving and Data AnalysisEasy–MediumSpotting an outlier on a scatterplot
Problem-Solving and Data Analysis practice question
On a scatterplot, all but one of the points lie close to the line y = x. Which of the following points is most likely the exception?
- A. (2, 20)Correct
- B. (5, 5)
- C. (10, 11)
- D. (0, 1)
Answer: A. (2, 20)
(2, 20) is far above the line y = x; the others are within 1 unit of it.
Why the other answers are wrong
- B. (5, 5)
- (5, 5) is exactly on the line.
- C. (10, 11)
- (10, 11) is 1 unit from the line.
- D. (0, 1)
- (0, 1) is 1 unit from the line.
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