If all the points of a dot chart lie on a straight line vertical to the X-axis, then coefficient of correlation is ...................

Related MCQs

• If all the points of a dot chart lie on a straight line parallel to the X-axis, it denotes .................................of correlation.
• If all the points of a scatter diagram lie on a straight line falling from left upper corner to the right bottom corner, the correlation is called...................
• In scatter diagram, if most of the points lie in the first and third quadrants, then coefficient of correlation is:
• If all the dots of a scatter diagram lie on a straight line falling from left bottom corner to the right upper corner, the correlation is called..................
• If the correlation coefficient between two variables, X and Y, is negative, then the regression coefficient of Y on X is.............................
• For perfect correlation, the coefficient of correlation should be ..........................
• If coefficient of correlation is more than ................of its P E, correlation is significant.
• The regression coefficient and correlation coefficient of the two variables will be the same if their .............................are same.
• If ‘r’ is the correlation coefficient between two variables, then:
• Coefficient of correlation explains: