Answer:
A. X causes Y to vary
Step-by-step explanation:
Regression analysis estimates the relationship between a dependent variable and one or more independent variables. Examples are linear regression, logistic regression, etc. Regression analysis can be used for prediction, forecasting or classification.
In regression analysis, the independent variables, called the inputs, are regarded as causes of the dependent variables.
The variation in the input x will lead to a variation in the output, Y
