Checkpoint 2.3.8. WeBWorK - Interpreting correlation coefficients..

A study found a correlation of r = -0.33 between the gender of a worker and that worker’s net pay. From the following statements, which is true?
  1. Women earn less than men on average
  2. Women earn more than men on average
  3. Correlation can’t be negative in this instance
  4. r makes no sense in this context
  5. None of the above
Enter the letter of the correct statement:
A science project considered the possible relationship between the weight in grams to the length of the tail in a group of mice. The correlation between these two measurements is r = 0.5. If the weights had instead been measured in kilograms instead of grams, what would be the resulting correlation?
  1. 0.5
  2. 0.5/1000
  3. 0.5(1000)
  4. r makes no sense in this context
  5. None of the above
Enter the letter of the correct statement:
Answer 1.Answer 2.Solution.
in-context