In this video segment from Cyberchase, Harry keeps sneezing and he can’t figure out why. He visits his doctor, and the doctor recommends he record some data to help discover the reason for his sneezing. Harry conducts a survey of his locations and number of sneezes, and he records the data. He then analyzes the data to help him try to diagnose the cause of his allergy.

This video is featured in the lesson Diagnosing Allergies through Data Collection.