Question

Classify the following data as primary data or secondary data :
(1) Number of students in the class.
(2) Election results obtained from print media or television news channels.
(3) Literacy rate figures obtained from educational survey.
(4) Number of trees in the school campus.
(5) Amount of telephone bills of our home for last one year.
(6) Profit or loss of any company obtained from its annual report.
(7) Temperature of the city for the last month.

Answer 1

Step-by-step explanation:

Primary data:

The information was collected by the investigator (student) with a definite objective ,the data obtained is called primary data.

Secondary data:

The information collected from a source, which had already been recorded ,say from registers , is called secondary data.

(1) Number of students in the class.

Ans: Primary data

(2) Election results obtained from print media or television news channels.

Ans: Secondary data

(3) Literacy rate figures obtained from educational survey.

Ans: Secondary data

(4) Number of trees in the school campus.

Ans: Primary data

(5) Amount of telephone bills of our home for last one year.

Ans: Primary data

(6) Profit or loss of any company obtained from its annual report.

Ans: Secondary data

(7) Temperature of the city for the last month.

Ans: Secondary data

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Answer 2

Answer:

primary data: 1,2,3

secondary data: 4,5,6,7