Consider the data. xi 2 6 9 13 20 yi 8 19 9 27 22 The estimated regression equation for these data is ŷ = 9 + 0.8x. What percentage of the total sum of squares can be accounted for by the estimated regression equation? (Round your answer to one decimal place.) % What is the value of the sample correlation coefficient? (Round your answer to three decimal places.)

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