Interactive Statistics Q.13.16

13.16 Suppose that there are enough workers for the construction of a house. The correlation between the amount of material available daily for the construction of the house and the time the workers take to finish the house is -0.75. At the same time it was reported that the cor- relation between the amount of material available daily for the construction of the house and the number of workers that can work to finish the house is +0.75. Which of the following interpretations is the most correct? (a) The correlation of +0.75 indicates a stronger relationship than the correlation of -0.75. ( b ) The correlation of +0.75 is just as strong as the correlation of -0.75. (c) It is impossible to tell which correlation is stronger