Let the coefficient of correlation of two variables X and Y be larger than zero. What will be the effect on it, if the data of X are multiplied by the factor of 2? a) The effect depends on the data of...

Let the coefficient of correlation of two variables X and Y be larger than zero. What will be the effect on it, if the data of X are multiplied by the factor of 2?

a) The effect depends on the data of X. b) It depends on Y .

c) The coefficient will be doubled. d) It will be increased fourfold.