There are several options but the Levene test should be appropriate: https://www.itl.nist.gov/div898/handbook/eda/section3/eda35a.htm https://www.itl.nist.gov/d

There are several options but the Levene test should be appropriate: https://www.itl.nist.gov/div898/handbook/eda/section3/eda35a.htm https://www.itl.nist.gov/div898/handbook/eda/section3/eda35a...