The document discusses 6 theme parks in California and provides information about their location, hours of operation, and ticket prices for children and adults. It also includes sample data about visitor preferences and discusses potential biases in the sampling methodology used. The 6 parks covered are located in San Diego, Buena Park, Hollywood, Anaheim, Carlsbad, and Valencia, CA. Ticket prices for children range from $28.99 to $81, while adult prices are between $57.99 to $87. The data samples 127 total visitors to the parks.