Listed below are altitudes (thousands of feet) and outside air temperature (degrees Fahrenheit) recorded by the author during Delta Flight 1053 from New Orleans to Atlanta. Altitude 3 10 14 22 28 31 33 Temperature 57 37 24 -5 -30 -41 -54 a) Does the scatter plot appear to follow a linear model? b) Calculate the correlation coefficient. r = ______ c) Is there is a significant linear correlation? Explain. d) If there is a significant linear correlation, find the regression equation. e) Find the best predicted temperature for an altitude of 24 thousand feet.