I want to know the best answer of the question from Statistics chapter of class 9th ncert math. The question from exercise 14.1 of math. Give me the easy way for solving this question of 2 Classify the data in Q.1 above as primary or secondary data.
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Primary data: when the information was collected by the investigator herself or himself with a definite objective in her or his mind, the data obtained is called primary data.
Primary data; (i), (ii) and (iii)
Secondary data; when the information was gathered from a source which already had the information stored, the data obtained is called secondary data
Secondary data; (iv) and (v)