Residplot

import seaborn as sns
sns.set_theme()
mpg = sns.load_dataset("mpg")

sns.residplot(data=mpg, x="weight", y="displacement")

sns.residplot(data=mpg, x="horsepower", y="mpg")

sns.residplot(data=mpg, x="horsepower", y="mpg", order=2)

sns.residplot(data=mpg, x="horsepower", y="mpg", lowess=True, line_kws=dict(color="r"))