True or False
1) A correlation coefficient based on a scatter plot measuresthe proportion of data lying on the regression line.
2)Which of the following is/are incorrect statement(s) about thecorrelation between two quantitative variables ?X and ?Y?
I. A correlation of -0.8 indicates a stronger linear associationbetween X and Y than a correlation of 0.5.
II. A correlation of 0 implies ?X and ?Y are not related atall.
III. A correlation of -1 indicates that ?=−?Y=−X.
