Data collected by the investigator himself is called as
State true or false. When the data is collected by an investigator himself/herself, such a data is called as primary data.
A curious 12th class student wants to know and collect the data regarding the percentage of students who got grade A1 in Mathematics during the last 10 years in Board examinations. This collected data is known as
When the data is collected by an investigator himself/herself, such data is called as primary data.