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Posted on Jul 04, 2024

Marina, Elena, Paloma, Alejandra and Roco are 2, 3, 5, 7 and 8 years old and weigh 14, 20, 30, 42 and 44 kg respectively.

Marina, Elena, Paloma, Alejandra and Roco are 2, 3, 5, 7 and 8 years old and weigh 14, 20, 30, 42 and 44 kg respectively. With these data:

(a) Find the equation of the regression line of age on weight.

(b) Estimate the approximate "weight" for a 6-year-old girl.

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