Ap stats midterm - Study guides, Class notes & Summaries

D - correct answer A forester studying oak trees finds that the correlation between x= the age (measured in years) and y= height (in feet) of a sample of trees is 0.78. Which of the following statements must be true? a) 78% of the variability in tree heights can be explained by variation on the trees' ages. b) for every year a tree ages, its height increases on average by 78%. c) if we let x= height of trees and y= age of trees, then the correlation w...

AP Stats Midterms (q&a only) 2024 Series...

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