1.

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.

Answer»

i. Primary data 

ii. Secondary data 

iii. Primary data 

iv. Primary data


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