If dots are lying on a scatter diagram in a haphazard manner, then r = ......................

Related MCQs

• 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 dots in a scatter diagram fall on a narrow band, it indicates a ....................... degree of correlation.
• In scatter diagram, if most of the points lie in the first and third quadrants, then coefficient of correlation is:
• Scatter diagram is also called ......................
• 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...................
• If change in one variable results a corresponding change in the other variable, then the variables are.........................
• When the amount of change in one variable leads to a constant ratio of change in the other variable, then correlation is said to be .........................
• If the ratio of change in one variable is equal to the ratio of change in the other variable, then the correlation is said to be .....................
• If all the points of a dot chart lie on a straight line vertical to the X-axis, then coefficient of correlation is ...................
• If the regression line is Y on X, then the variable X is known as..........................