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Question

# Classify following information as primary or secondary data. (i) Information of attendance of every student collected by visiting every class in a school. (ii) The information of heights of students was gathered from school records and sent to the head office, as it was to be sent urgently. (iii) In the village Nandpur, the information collected from every house regarding students not attending school. (iv) For science project, information of trees gathered by visiting a forest.,

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Solution

## (i) Since, the information of attendance of every student of every class is already collected by each class. So, the information of attendance of every student collected by visiting every class in a school is a secondary data. (ii) Since, the information of heights of students was gathered from school records which is already taken. So, the information of heights of students was gathered from school records and sent to the head office, as it was to be sent urgently is a secondary data. (iii) Since, the information is collected from every house. So, the information collected from every house in the village Nandpur regarding students not attending school is a primary data. (iv) Since, information of trees gathered by visiting a forest. So, the information of trees gathered by visiting a forest for science project is a primary data.

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