15th February 2024

A group of researchers are looking to determine the correlation between the rate of prescriptions of anxiolytics in the past 20 years and the hospital admission rates of intentional overdoses.

A group of researchers are looking to determine the correlation between the rate of prescriptions of anxiolytics in the past 20 years and the hospital admission rates of intentional overdoses. A non-linear relationship is suspected from the scatter plot obtained from the dataset. Both datasets also display a right skew.

Which of the following statistical tests should be used to assess this?