Question

collection of data about enrollment of students in your school for a period from 2001 to 2010.write whether it is primary data or secondary data.
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Answer 1

Step-by-step explanation:

it's a second data because the information would not be available if you manually go and collect data of 10 years. As the students would have left the school.

hope it helped u...

Answer 2

Answer:

secondary data is the answer