For Exercises 35–49, do the following:

  1. Construct a scatterplot of the relationship between and .
  2. Interpret the scatterplot.
  3. Calculate the correlation coefficient .
  4. Interpret the value of the correlation coefficient .

Question 4.46

brainbody

46. 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.2

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