1) To study the impact of poverty on urban families, a researcher divides a city into its 30 existing "Barangays" (districts). Instead of surveying individuals from every district, the researcher randomly selects 5 specific Barangays and interviews every household within those selected areas. a) Cluster b) systematic c) stratified d) simple random 2) A digital media student wants to analyze how Gen Z users interact with "fake news" on X (formerly Twitter). The student obtains a numbered list of 5,000 registered users from a database. Using a random start point, the student selects every 50th person on the list to participate in the study. a) Cluster b) systematic c) stratified d) simple random 3) An arts historian is researching the techniques of traditional weavers across the Philippines. To ensure the study is fair, they divide the master weavers into three distinct groups: Luzon, Visayas, and Mindanao. They then randomly select a proportionate number of weavers from each of those three specific regions. a) Cluster b) systematic c) stratified d) simple random 4) A restaurant manager wants to check the quality of customer service provided during a busy week. The manager places the names of all 100 customers who dined on Monday into a digital randomizer program. The program then selects 10 names at random to receive a follow-up survey call. a) Cluster b) systematic c) stratified d) simple random 5) A school coordinator wants to evaluate the work immersion experiences of Grade 12 students. The coordinator assigns a unique number to every student in the immersion program and uses a random number table to select 15 students to share their feedback during a focus group discussion. a) Cluster b) systematic c) stratified d) simple random

Practice Activity: Probability Sampling

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