If r= +1, the correlation is said to be ...................

Related MCQs

• For perfect correlation, the coefficient of correlation should be ..........................
• If coefficient of correlation is more than ................of its P E, correlation is significant.
• When the values of two variables move in the same direction, correlation is said to be ............................
• When the values of two variables move in the opposite directions, correlation is said to be ............................
• 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 both the variables are varying in the same direction, the correlation is said to be
• Correlation analysis is a ..............................
• Non-linear correlation 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...................