# Question

A sample of 10 households was monitored for one year energy consumed (1010 joules) were determined. The results follow.

a. Compute the least-squares regression line for predicting energy consumption from income.

b. Construct a residual plot. Verify that a linear model is appropriate.

c. If two families differ in income by $12.000. by how much would you predict their energy consumptions to differ?

d. Predict the energy consumption for a family whose income is $50.000.

a. Compute the least-squares regression line for predicting energy consumption from income.

b. Construct a residual plot. Verify that a linear model is appropriate.

c. If two families differ in income by $12.000. by how much would you predict their energy consumptions to differ?

d. Predict the energy consumption for a family whose income is $50.000.

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