Question

I cannot figure out how to get the (f) piece of the problem below.  Is there a formula I’m missing? />(e) Find the value of the coefficient of determination r². What percentage of the variation in y can be explained by the corresponding variation in x and the least-squares line? What percentage is unexplained? (Round your answer for r² to three decimal places. Round your answers for the percentages to one decimal place.) r² =.978    explained    97.8 % unexplained    2.2 % (f) The calves you want to buy are 25 weeks old. What does the least-squares line predict for a healthy weight? (Round your answer to two decimal places.)16 kg

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