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 4.146

brainbody

48. Brain and Body Weight. A study compared the body weight (in kilograms) and brain weight (in grams) for a sample of mammals, with the results shown in the following table.4

52.16 440.0
60.00 81.0
27.66 115.0
85.00 325.0
36.33 119.5
100.00 157.0
35.00 56.0
62.00 132.0
83.00 98.2
55.50 175.0