Interpreting Clusters and Outliers — Quiz

Question 8 • Mathematics 8

Which scatterplot shows the strongest relationship between the variable x and the variable y ?

Answer

Image with description A scatterplot is shown on a first quadrant coordinate plane. There are 11 data points that do not form a recognizable pattern.

Image with description A scatterplot is shown on a first quadrant coordinate plane. There are 10 data points that do not form a recognizable pattern.

Image with description A scatterplot is shown on a first quadrant coordinate plane. There are 11 data points that generally go from the upper left corner of the quadrant to the lower right corner of the quadrant.

Explanation

A scatterplot shows a strong relationship when its points follow a clear pattern, even if the pattern slopes downward. In choice D, the points generally move from the upper left to the lower right, showing a negative relationship between x and y. The other descriptions say the points do not form a recognizable pattern.

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