# Question

Energy efficiency: Using the data in Exercise 5:

a. Compute the correlation coefficient between income and energy consumption.

b. Compute the coefficient of determination.

c. How much of the variation in energy consumption is explained by the least-squares regression line?

a. Compute the correlation coefficient between income and energy consumption.

b. Compute the coefficient of determination.

c. How much of the variation in energy consumption is explained by the least-squares regression line?

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