The Pearson correlation coefficient between two variables, A and B, is approximately equal to -1. What does this fact imply about the variables? A. For any two data points, the one that has a higher value of A is likely to have a higher value of B. B. For any two data points, the one that has a higher value of A is likely to have a lower value of B. C. An increase in the value of A generally causes a decrease in the value of B. D. An increase in the value of B generally causes an increase in the value of A.

Which of the following was probably the most difficult challenge facing construction of the railroad?

What was v-e day? a. victory in england day b. victory in europe day c. victory in japan day d. victory every day

Interest groups representing businesses and investors are often among the most successful lobbying groups for all of the following reasons, except a. such groups have the financial resources to mount sustained campaigns on their own behalf b. these groups' members contribute heavily to many legislators' campaigns and in so doing gain greater access to legislators c. these groups have often been in existence for decades, allowing them to both master the legislative system and develop close ties with legislators d. the members of these groups make up the majority of voters in many districts