(Answered) Question the temperature dataset on the companion website

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Question: The temperature dataset on the companion website gives y 5 mean April temperature (Fahrenheit) and x = geographic latitude for 20 U.S. cities. The simple linear regression equation for the sample is y^{^}= 119 - 1.64x.

a. The value of latitude for Pittsburgh is 40. What is the predicted April temperature for Pittsburgh?

b. The mean April temperature for Pittsburgh is 50. What is the residual for Pittsburgh?

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