Question: A study performed by a psychologist determined that a person's score on a resiliency test is linearly related to the person's score on an inventory

A study performed by a psychologist determined that a person's score on a resiliency test is linearly related to the person's score on an inventory measuring the person's overall health. The equation of the least-squares regression line is resiliency(hat) = -49 + 1.8(health). What is the residual for an individual with an overall health score of 110 and a resiliency score of 140?

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