A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

A reporter is a kind of writer who investigates, composes, and provides details regarding data so as to present in sources, lead interviews, take part in research and make reports. The one that best clarifies whether the columnist's information is legitimate or not is that the information is not substantial for the whole city since winged animal watchers will probably visit a fledgling shelter.