Question

In: Statistics and Probability

(1 point) Given the following data set, let xx be the explanatory variable and yy be...

(1 point) Given the following data set, let xx be the explanatory variable and yy be the response variable.

xx 5 7 6 2 8 7 8
yy 7 4 4 9 3 3 2

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

(b) Compute the correlation coefficient: r=

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Expert Solution

Solution:

(a)

(b)


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