Product moment correlation was developed by .......................

Related MCQs

• Correlation analysis is a........................... analysis.
• 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 direction, correlation is said to be……
• When the amount of change in one variable leads to a constant ratio of change in the other variable, correlation is said to be ............................
• If all the points of a scatter diagram lie on a straight line falling from the lower left-hand corner to the upper right-hand corner, the correlation is said to be ..........................
• If all the dots of a scatter diagram lie on a straight line falling from the upper left-hand corner to the lower right hand corner, the correlation is said to be ..........................
• The quantitative measure of correlation between two variables is known as.....................
• Coefficient of correlation measures ...........................................
• Coefficient of correlation lies between .....................................
• Karl Pearson’s coefficient of correlation is denoted by the symbol ..................