If the two lines of regression are perpendicular to each other, the correlation coefficient r is:

Related MCQs

• The correlation coefficient is the of two regression coefficients:
• The relationship between correlation coefficient and coefficient of determination is that
• The coefficient of correlation for a problem was calculated to be 0.36. The coefficient of determination for this would be
• The geometric mean of the two regression coefficient βyx and βxy is equal to:
• If the value of any regression coefficient is zero, then two variables are:
• To measure ranked variables the following correlation coefficient is used
• The range of a partial correlation coefficient is:
• Which of the following values could not represent a correlation coefficient?
• If covariance of X and Y is 20, the standard deviation of X is 8 and standard deviation of Y is 5 then the value of coefficient of correlation is
• If the value of correlation coefficient between X and Y is ‘0’ then