A forester would like to know how big a maple tree might be at age 50 years.She gathers data from some trees that have been cut down,and plots the diameters (in inches)of the trees against their ages (in years).First she makes a linear model.The scatterplot and residuals plot are shown.If she uses this model to try to predict the diameter of a 50-year old maple tree,would you expect that estimate to be fairly accurate,too low,or too high? Explain. 
Definitions:
Human Development
A field of study focusing on the psychological, biological, and emotional changes that occur in human beings throughout their life span.
Adolescence
A developmental stage of life that occurs between childhood and adulthood, typically characterized by significant physical, psychological, and social changes.
Life Cycle
The series of changes an organism undergoes from the beginning of its life until its death, often applied metaphorically to describe products or businesses.
Age Cohorts
Groups of individuals who are similar in age and share specific types of experiences at certain stages of life.
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