Mathematics, 18.08.2020 23:01 estefanlionel8678
Let x be the size of a house (sq ft) and y be the amount of natural gas used (therms) during a specified period. Suppose that for a particular community, x and y are related according to the simple linear regression model with the following values.
ß = slope of population regression line = 0.019
a = y intercept of population regression line = -7
(a) What is the equation of the population regression line?
y = 1
b) What is the mean value of gas usage for houses with 2100 sq ft of space?
(c) What is the average change in usage associated with a 1 square foot increase in size?
(d) What is the average change in usage associated with a 100 square feet increase in size?
Answers: 1
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