Question: Exercise CR5.16 gave the least-squares regression line for predicting y = clutch size from x = snoutvent length (Reproductive Biology of the Aquatic Salamander Amphiuma

Exercise CR5.16 gave the least-squares regression line for predicting y = clutch size from x = snoutvent length (“Reproductive Biology of the Aquatic Salamander Amphiuma tridactylum in Louisiana,” Journal of Herpetology [1999]: 100–105). The paper also reported r2 = .7664 and SSTo = 43,951.
a. Interpret the value of r2.
b. Find and interpret the value of se (the sample size was n = 14).

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a This value of r 2 tells us that 7664 of the variability in clutch size can be attribu... View full answer

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