Use the built-in mtcars dataset in RStudio, which you can access using the object's name mtcars. It lists 32 popular car models from 1970s together with their performance metrics such as mpg, horsepower, weight, engine type, etc. The command ?mtcars will give you a more detailed explanation of the data.

a) Create a histogram for mpg with bin size 5 and a horizontal detailed boxplot for wt. Explain the charts.