Refer to Exercise 38. a. Interpret the slope of the regression line. b. Does the value of
Question:
Refer to Exercise 38.
a. Interpret the slope of the regression line.
b. Does the value of the y intercept have meaning in this context? If so, interpret the y intercept. If not, explain why.
Exercise 38.
Joan is concerned about the amount of energy she uses to heat her home. The scatterplot shows the relationship between x = mean temperature in a particular month and y = mean amount of natural gas used per day (in cubic feet) in that month, along with the regression line ŷ =1425−19.87x .
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a The slope of the regression line is 1987 This means that for every one degr...View the full answer
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