Following the Deepwater Horizon oil spill in 2012, the EPA measured the amount of naphthalene in the sediment at various locations in the Gulf of Mexico. A random sample of these short-term...

Following the Deepwater Horizon oil spill in 2012, the EPA measured the amount of naphthalene in the sediment at various locations in the Gulf of Mexico. A random sample of these short-term measurements near Florida and Alabama was obtained from the EPA. The data are given in the following table.