For each of the following data sets, prepare a plot like Figure 12.3.8, showing the data, the

Question:

For each of the following data sets, prepare a plot like Figure 12.3.8, showing the data, the fitted regression line, and two lines whose vertical distance above and below the regression line is se. What percentage of the data points are within +se of the regression line? What percentage of the data points do you expect to find within ±sc, of the regression line? How do these values compare?
(a) The body temperature data of Exercise 12.3.3.
(b) The corn yield data of Exercise 12.3.4.