Mathematics, 06.07.2021 19:20, stacysadousky

A 1996 study examined the growth of grapefruit trees in Texas, determining the average trunk Diameter (in inches) for trees of varying Ages:
Age (yr) 2 4 6 8 10 12 14 16 18 20
Diameter (in.) 2.1 3.9 5.2 6.2 6.9 7.6 8.3 9.1 10.0 11.4
a) Fit a linear model to these data. What concerns do you have about the model?
b) If data had been given for individual trees instead of averages, would you expect the fit to be stronger, less strong, or about the same? Explain.

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A 1996 study examined the growth of grapefruit trees in Texas, determining the average trunk Diamet...