Restricting the range of either X or Y will generally lower the correlation between the variables.

Question

Quizplus · Accepted Answer

Restricting the range of either X or Y means that there is less variability in one of the variables, which can lower the correlation between the variables. When the range is restricted, there may be fewer data points available to calculate the correlation coefficient, and this can lead to a weaker correlation. Additionally, if the restricted range happens to include outliers, this can further reduce the correlation between the variables.

Restricting the Range of Either X or Y Will Generally