Gathering Statistical Data

The researcher records the length of a mango sprout for five days.

• Interview

• Observation

• Questionnaire

• Registration

This method gathers data from legal documents imposed by laws.

• Interview

• Observation

• Questionnaire

• Registration

The census representative visits every households and asks the number of members in each family.

• Interview

• Observation

• Questionnaire

• Registration

Which method is appropriate in finding the total enrolment of students per grade level for three consecutive years?

• Interview

• Observation

• Questionnaire

• Registration

Which of the following describes a population?

• All students in the school

• Eight players in a basketball team

• Average monthly salary of 10 families

• Fifteen students as grade 7 representatives

Which method is appropriate in finding the most saleable fruits in the market?

• Interview

• Observation

• Questionnaire

• Registration