Consider the simple linear regression model fit to the toluene-tetralin viscos- ity data in Problem 2.15. a. Construct a normal probability plot of the residuals. Does there seem to be any problem with the normality assumption? b. Construct and interpret a plot of the residuals versus the predicted response. Temp Viscosity 24.9 1.1330 35.0 0.9772 44.9 0.8532 55.1 0.7550 65.2 0.6723 75.2 0.6021 85.2 0.5420 95.2 0.5074