A Grade 7 teacher wants to know how many hours students spend studying each night. She gives the same set of questions to all selected students. Which data collection method is most appropriate?, Measurement, Observation, Survey, Experiment, A researcher wants to know why several students prefer studying in the library. She talks individually with selected students and asks follow-up questions about their reasons. Which data collection method is most appropriate?, Interview, Experiment, Tallying, Observation, A school has 1,000 Grade 7 learners. A researcher selects 100 learners by assigning every learner a number and randomly choosing 100 numbers. What sampling technique is being used?, Quota sampling, Purposive Sampling, Simple random sampling, Convenience Sampling, A researcher wants opinions from students in Grades 7, 8, 9, and 10. She divides the students into grade-level groups and randomly selects students from each group. Which sampling technique best describes this method?, Stratified sampling, Systematic sampling, Convenience Sampling, Simple Random Sampling, A student wants to find out how many learners bring packed lunch to school. Instead of asking everyone, she stands near the school entrance and asks the first 30 learners who pass by. Which sampling method is this?, Convenience Sampling, Stratified Sampling, Systematic Sampling, Simple Random Sampling, A teacher wants to know how students actually use the school library during recess. She watches the library and records what students do without asking them questions. Which data collection method is most appropriate?, Experiment, Observation, Interview, Survey, A school wants to estimate the favorite school sport of all Grade 7 learners. Which group is the sample?, The school teachers, The selected Grade 7 learners who answer the study, All students in the school, All grade 7 learners in the school, A researcher wants information about the daily transportation used by 600 students. She randomly selects 60 students and asks each selected student which type of transportation they use. What is the population?, The students who walk, The 60 selected students, The students who ride vehicles, All 600 students, A researcher needs information from a large group of students but cannot ask every student. She selects a smaller group to represent the larger group. What is the main purpose of using a sample?, To guarantee that every person is selected, To remove the need for data collection, To collect information from a manageable group, To make the population smaller, A principal wants to know whether students are satisfied with the school canteen. She prepares questions about food choices, prices, cleanliness, and service, then gives the questions to selected students. Which approach best fits the situation?, Observation of every student, Experiment with the entire school, Survey with a selected sample, Measurement without respondents

Data Collection and Sampling Techniques

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