For Exercises 37–51, do the following for the indicated data sets from the Section 4.1 exercises:

  1. Calculate the slope and the intercept of the regression line.
  2. State the regression equation in words.
  3. Interpret the value for the slope of the regression line, in terms of the variables from the particular exercise.
  4. Interpret the value for the intercept of the regression line, in terms of the variables from the particular exercise.

Question 4.136

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38. Does It Pay to Stay in School? The U.S. Census Bureau reported the following unemployment rates associated with the given years of education .

5.0 16.8
7.5 17.1
8.0 15.3
10.0 20.6
12.0 11.7
14.0 8.1
16.0 3.8