If the correlation between variable A and variable B is greater than +1, _____________________________________________.Group of answer choicesA. the mean value of A is greater than the mean value of B.B. either A causes B or B causes A.C. someone calculated the correlation incorrectly.D. A causes B.

If an increase in one variable is not associated with any consistent increase or decrease in a second variable , then the correlation between the two variables is _______________________.Group of answer choicesA. PositiveB. NegativeC. ZeroD. Uncertain

The correlation of X with Y is 0.6. This might be explained by:Group of answer choicesAny of the other options are possible explanations.X causes YY causes XX does not cause Y and Y does not cause X

Suppose there is a strong positive correlation between a and b. Which of the following must be true?A.An increase in a causes b to increase.B.When a increases, b tends to decrease.C.When a increases, b tends to increase.D.An increase in a causes b to decrease.SUBMITarrow_backPREVIOUS

f there is a correlation between two things, X and Y, but it turns out X does not cause Y and Y does not cause X, the correlation is sometimes termed:Group of answer choicesSpuriousUnfoundedNuminousBicausal

In a correlational study, ____.​Group of answer choices​two variables are measured and two groups are compared​one variable is measured and two groups are compared​one variable is measured and there is only one group of participants​two variables are measured and there is only one group of participants