Perhaps the size of an animals brain determines intelligence for that species. Or perhaps the weight of

Question:

Perhaps the size of an animal€™s brain determines intelligence for that species. Or perhaps the weight of the brain does. Or perhaps body size or weight has a role.The following chart compares several animals€™ brain and body sizes and weights.

Calculate the correlation coefficient and use it and Table 10 of Appendix B to determine a 95% confidence interval on r for each of the following cases:
a. Brain length and brain weight
b. Brain length and body weight
c. Brain weight and body weight