Consider the following statements with regard to correlation coefficient r between random variables x and y :

1. r = +1 or –1 means there is a linear relation between x and y.

2. –1 ≤ r ≤ 1 and r² is a measure of the linear relationship between the variables.

Which of the statements given above is/are correct?

Mathematics 2011 NDA Mathematics 2011 NDA 2011

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