Variables:
Note: All data is fictional. The data has been generated so that their distributions are convenient for statistical analysis.
Number: A simple index number for each row
City: The location of a person (Dallas, New York City, Los Angeles, Mountain View, Boston, Washington D.C., San Diego and Austin)
Gender: Gender of a person (Male or Female)
Age: The age of a person (Ranging from 25 to 65 years)
Income: Annual income of a person (Ranging from -674 to 177175)
Illness: Is the person Ill? (Yes or No)