. If the value of any regression coefficient is zero, then two variables are:*2 pointsQualitativeCorrelationDependentIndependent

The two regression lines become identical if the correlation coefficient is ans. 0 ±1 2 none

What is the statistical method used to determine whether a relationship between variables exist?*1 pointCorrelationCoefficient of correlationConcept of regressionCoefficient of regression

Which of the following correlation coefficients represents no correlation between two variables?

If all the points in a scatter diagram lie on the least squares regression line, then the coefficient of correlation must be:Group of answer choices–1.0.0.0.  1.0.either 1.0 or –1.0.Next

When is the correlation coefficient equal to 0?(1 Point)a) When there is a strong positive linear relationship.b) When there is a strong negative linear relationship.c) When there is no linear relationship.d) When there is a curvilinear relationship.