Identifying the Impossible R Value- Unveiling the Unlikely Candidate Among the Options

Which of the following is not a possible r value?

In statistics, the correlation coefficient, often denoted as r, is a measure of the strength and direction of a linear relationship between two variables. The value of r ranges from -1 to 1, where -1 indicates a perfect negative correlation, 1 indicates a perfect positive correlation, and 0 indicates no correlation. However, not all values within this range are considered valid r values. In this article, we will explore which of the following options is not a possible r value and why.