Classify following information as primary or secondary data. Information of attendance of every student collected by visited every class in a school.

Classify following information as primary data or secondary data. Number of students in our class.

Classify following information as primary data or secondary data.Number of fans in our class.

Classify following information as primary or secondary data. For sciecnce project, information of trees gathered by visiting a forest.

Classify following information as primary or secondary data. The information fo heights of students was gathered from school records and sent to the head office, as it was to be sent urgently.

Classify following information as primary data or secondary data.Election results obtained from television or newspaper

Classify following information as primary or secondary data. In the village Nandpur the information collected from every house regarding students not attending school.