Answered: ina’s target population for her study…

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section11.4: Collecting Data

Problem 6E

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Question

Gina’s target population for her study are employees from the top 500 corporations in the Philippines. Because there are too many employees in these corporations, she decided to randomly select ten corporations and use all their employees as participants in her study. What sampling technique is suitable to this topic? A. Simple random sampling C. Cluster sampling B. Stratified random sampling D. Systematic sampling 2. Myra’s study aims to determine the relationship between intelligence quotient and the language proficiency of students. There are 105,000 students in her target population. Of these, 15% have high proficiency, 65% have average proficiency, and 20% have low proficiency. She decided to utilize a sample size of 400 participants from the target population. This is proportional to the total number of members in each group of the population. What sampling technique is suitable to this topic? A. Simple random sampling C. Cluster sampling B. Stratified random sampling D. Systematic sampling 3. Ryan wants to know if the new curriculum has an effect on the academic performance of science students. He took the list of all students in his school and selected every 8th name in the class list as participants. What sampling technique is suitable to this topic? A. Simple random sampling C. Cluster sampling B. Stratified random sampling D. Systematic sampling 4. Troy wants to survey principals and supervisors in Country X. All in all, there are 12,000 principals and 24,000 supervisors in the country. Troy decided to select 350 from the target population as participants in his study. What sampling technique is suitable to this topic? A. Simple random sampling C. Cluster sampling B. Stratified random sampling D. Systematic sampling 5. STEM students calculated the sample size of 340 for their research study about mental health of grade 11 ABM students and their sleeping habits. What sampling technique is suitable to this topic? A. Simple random sampling C. Cluster sampling B. Stratified random sampling D. Systematic sampling

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