Random Sampling

The office clerk gave the researcher a list of 500 Grade 10 students. The

researcher selected every 20th name on the list.

In a recent research that was conducted in a private school, the subjects

of the study were selected using the Table of Random Numbers.

A researcher interviewed people from each town in the province of Albay

for his research on population.

A researcher is doing a research work on the student’s reaction to the

newly implemented curriculum in Mathematics and interviewed every

10th student entering the gate of the school.

A researcher who is studying the effects of educational attainment on

promotion conducted a survey of 50 randomly selected workers from

each of these categories: high school graduate, with undergraduate

degrees, with master’s degree, and with doctoral degree.

A researcher selected a sample of 𝑛 = 120 from a population of 850 by

using the Table of Random Numbers

A researcher interviewed all top 10 Grade 11 students in each of 15

randomly selected private schools in Metro Manila.

A researcher randomly selected 10 barangays in a town for her study.

She did this by writing the names of each barangay on a piece of paper

which she folded and put in a bowl then she draws 10 pieces of each

paper from the bowl.

A teacher asked her students to fall in line. She instructed one of them to

select every 5th student on the line.

A researcher chose the subjects of her study by selecting every kth

member of the population.