Question

Classify the data as primary or secondary data.

(i) Number of students in our class
(ii) Number of fans in our school
(iii) Electricity bills of our house for last two years
(iv) Election results obtained from television or newspapers.
(v) Literacy rate figures obtained from educational survey.

Answer 1

$\Rightarrow$ Primary data refers to the first hand data gathered by the researcher himself.

$\Rightarrow$ Secondary data means data collected by someone else earlier.

$PrimaryData:$

$\left(i\right)$ Number of students in our class.

$\left(ii\right)$ Number of fans in our school.

$\left(iii\right)$ Electricity bills of our house for last two years.

$SecondaryData:$

$\left(iv\right)$ Election results obtained from television or newspapers.

$\left(v\right)$ Literacy rate figures obtain from educational survey.