If ‘r’ is the correlation coefficient between two variables, then:

Related MCQs

• If the correlation coefficient between two variables, X and Y, is negative, then the regression coefficient of Y on X is.............................
• The regression coefficient and correlation coefficient of the two variables will be the same if their .............................are same.
• Coefficient of correlation explains .................... of the relationship between two variables.
• The Correlation coefficient between two variables is the ........................... of their regression coefficients.
• For perfect correlation, the coefficient of correlation should be ..........................
• If coefficient of correlation is more than ................of its P E, correlation is significant.
• In a correlation analysis, if r= 0, then we may say that there is .................. between variables.
• If all the points of a dot chart lie on a straight line vertical to the X-axis, then coefficient of correlation is ...................
• In scatter diagram, if most of the points lie in the first and third quadrants, then coefficient of correlation is:
• When the values of two variables move in the same direction, correlation is said to be ............................