If the rank correlation test is used with paired sample data, and the conclusion is that there is sufficient evidence to support the claim of a correlation between the two variables, can linear regression methods be use to find the regression equation that can be used for predictions? why or why not? fill in the blanks to complete the paragraph. the methods of linear regression ▼ can be used should not be used for predictions. the regression equation is based on ▼ any correlation a linear correlation between the two variables, but the methods of rank correlation ▼ do not require require a linear relationship.