Regression methods were used to analyze the data from a study investigating the relationship between roadway surface temperature (x) and pavement deflection (y). The simple linear regression model is ŷ = 0.33 + 0.0042x. (a) Suppose that temperature is measured in °C rather than °F. Determine regression coefficients for the new model ŷ = Bo + B1x. Round your answer to two decimal places (e.g. 98.76).

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Regression methods were used to analyze the data from a study investigating the relationship between roadway surface temperature
(x) and pavement deflection (y). The simple linear regression model is ŷ = 0.33 + 0.0042x.
(a) Suppose that temperature is measured in °C rather than °F. Determine regression coefficients for the new model ŷ = ßo + B ¡x.
Round your answer to two decimal places (e.g. 98.76).
i
Round your answer to four decimal places (e.g. 98.7654).
(b) What change in expected pavement deflection is associated with a 1°C change in surface temperature?
Round your answer to four decimal places (e.g. 98.7654).
Transcribed Image Text:Regression methods were used to analyze the data from a study investigating the relationship between roadway surface temperature (x) and pavement deflection (y). The simple linear regression model is ŷ = 0.33 + 0.0042x. (a) Suppose that temperature is measured in °C rather than °F. Determine regression coefficients for the new model ŷ = ßo + B ¡x. Round your answer to two decimal places (e.g. 98.76). i Round your answer to four decimal places (e.g. 98.7654). (b) What change in expected pavement deflection is associated with a 1°C change in surface temperature? Round your answer to four decimal places (e.g. 98.7654).
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