A relationship between two variables that are no longer related when a third variable is controlled is called a spurious relationship.

Question

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This is a correct statement. A spurious relationship occurs when two variables appear to be related, but their relationship disappears or weakens when a third variable is taken into account. This third variable is called a "confounding" variable, as it can influence the relationship between the two other variables.

A Relationship Between Two Variables That Are No Longer Related