6. What is the difference between a correlation equal to -1 and a correlation equal to +1? A correlation equal to -1 means two alternatives are moving in the same direction, whereas a correlation of +1 means they are moving in opposite a directions A correlation equal to -I means two alternatives are moving in the same b. direction, whereas a correlation of +1 means they are unrelated A correlation equal to 1 means two alternatives are moving in opposite directions, whereas a correlation of +1 means they are moving in the same C. direction A correlation equal to -1 means two alternatives are moving in opposite d. directions, whereas a correlation of +1 means they are unrelated