Suppose you run a regression of a person’s height on his/her right and left foot sizes, and you suspect that there may be multic
ollinearity between the foot sizes. What types of problems might you see if your suspicions are true? _________ A. "Wrong" values for the coefficients for the left and right foot size
B. Large p-values for the coefficients for the left and right foot size
C. Small t-values for the coefficients for the left and right foot size
D. All of these options
Each unit of decrease has an exponential increase. So if you are looking at an item that has a Ph of 4 and water has a Ph of 7 —-that means it is 10 to the 3rd power more acidic or 1000 times more acidic than water.
C, decrease. If the trait is easy to be seen by predators, they will be caught more often than those without the trait, thus reducing the frequency of the trait.