Given the following data set, let ? be the explanatory variable and ? be the response variable. ? 2 8 7 1 3 6 7 ? 8 3 4 10 8 4 3 (a) If a least squares line was fitted to this data, what percentage of the variation in the ? would be explained by the regression line? (Enter your answer as a percent.) (b) Compute the correlation coefficient: ?=

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Given the following data set, let ? be the explanatory variable and ? be the response variable.

? 2 8 7 1 3 6 7
? 8 3 4 10 8 4 3



(a) If a least squares line was fitted to this data, what percentage of the variation in the ? would be explained by the regression line? (Enter your answer as a percent.)

(b) Compute the correlation coefficient: ?=

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