Answer
According to the boxplots, it seems that the pH of rain in Chicago, Illions is lower that the pH of the rain in Houston, Texas.
Work Step by Step
See the picture.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.