RANDOM SAMPLING

The name of each student is written on a piece of paper and placed in a box. The teacher picks 10 papers from the box randomly.

• Simple Random Sampling

• Stratified Random Sampling

• Cluster Random Sampling

• Systematic Random Sampling

Every 20th student who enters the campus is inspected by the guard on duty.

• Simple Random Sampling

• Stratified Random Sampling

• Cluster Random Sampling

• Systematic Random Sampling

To estimate the mean score of the class, the teacher divided the scores into the top 33%, lowest 33% and the scores in between. She then selected 4 scores from each group and calculated the average.

• Simple Random Sampling

• Stratified Random Sampling

• Cluster Random Sampling

• Systematic Random Sampling

To get 20 students who will represent the grade 10 students for the upcoming school program, the assigned teacher generates random names using a computer.

• Simple Random Sampling

• Stratified Random Sampling

• Cluster Random Sampling

• Systematic Random Sampling

All the toys from 10^th of the 50 boxes of toys were inspected for any defect.

• Simple Random Sampling

• Stratified Random Sampling

• Cluster Random Sampling

• Systematic Random Sampling

Five male and 5 female students were selected from the class to be sample.

• Simple Random Sampling

• Stratified Random Sampling

• Cluster Random Sampling

• Systematic Random Sampling

The teacher arranged the names of her students in alphabetical order then randomly select the starting name, and every 3^rd student from the list is asked for their score.

• Simple Random Sampling

• Stratified Random Sampling

• Cluster Random Sampling

• Systematic Random Sampling

The teacher assigned numbers 1-25 to her class of 25 students then generate 5 numbers from the computer.

• Simple Random Sampling

• Stratified Random Sampling

• Cluster Random Sampling

• Systematic Random Sampling

The students in senior high school are divided according to their strand, STEM, ABM, HUMSS, etc. The principal wants to do a study on the effectiveness of a certain medium of instruction. So, he randomly selected 5 students from each strand and administer the same exam to the selected students.

• Simple Random Sampling

• Stratified Random Sampling

• Cluster Random Sampling

• Systematic Random Sampling

To verify the result of a recent election, the national board of canvassers randomly chose precincts and manually check and tally every ballot in those selected precincts.

• Simple Random Sampling

• Stratified Random Sampling

• Cluster Random Sampling

• Systematic Random Sampling