Answer the following.
PPCf. ,1.. What do you call to the set of all peopIE, ObJeCts: events, or \"-1653 researchers want to investigate? ' A. data ' . p C. sample . B. population . ' D. statistics ' 2. Which of the following can be considered as the best sample? A. conveniently chosen C". selected at random ' B purposefully selected D. selfselected 3. From the given populations, which of \"the following sample is most likely to be representatives of the population from which it is drawn? A. population. senior high school students sample: grade 10 students B. population: online shoppers 1 sample. market vendors C. population: users of social media sample: students . " D. population: SAP beneciaries sample. government officials 4. Which of the following is NOT a distinguishing feature [of simple ' . random sampling? , ' A. Each element in the population has an equal probability of being selected B. Random numbers Selected to decide which elements are included as the sample. C. Each element has a unique identification. D. Samples are selected based on the subjective judgment of the researcher. 5. Which of the followingis a type of random sampling method? A. convenience ' C. purposive B. nonprobability - D. stratied 6. Which of the following is NOT a type of random sampling method? A cluster C. simple B. convenience D. systematic . 1170 7. A researcher was given a random list of all graduating senior high school students. He decided to conduct a survey by asking every seventh student on the list regarding the courses that they want to take in college. What type of sampling technique he is planning to use? A. cluster C. stratified B. random 8. You are a researcher and you wish to do a comparative study between two D. systematic hospital's success rates in fighting COVID-19. Instead of mixing patients in the two hospitals, you simply divided your samples into two and randomly select samples based on the hospital that an individual attended for treatment. What type of sampling technique are you using? A. cluster C. stratified B. random D. systematic 9. You wish to determine the effects of implementing the COVID-19 community quarantine in the Philippines. Among the variables, the socio-economic status of your respondents is your primary concern. What sampling technique would best select your sample for this study? A. cluster C. stratified B. purposive D. systematic 10. You go to the streets of your barangay to conduct a study on how SAP beneficiaries spend their money during the COVID-19 community quarantine. You ask every by-passer to participate in your research. What type of sampling technique are you using? A. convenience C. stratified B. purposive D. systematic For numbers 11-15, refer to the situation below: The Philippine High School caters 5,000 senior high students. Mr. Manalo, the school principal, wants to obtain information about their plans after graduation. 11. What is the target population in his study? A. senior high students in his school B. senior high students in his district C. parents of senior high students in his school D. parents of senior high students in the nation 12. Mr. Manalo writes each name of all senior high school students on small pieces of paper. He rolls and put them in a box and then draws 500 names as respondents in his study. What random sampling technique does he apply? A. cluster C. stratified B. simple D. systematic 13. The principal creates a list of all senior high students. He decides to include every tenth student in his samples. Which random sampling technique does he apply? A. cluster C. stratified B. simple D. systematic 14. Mr. Manalo groups the senior high students according to their grade level and strand. He proportionately and randomly chooses sample students from each group. Which random sampling technique does he apply? A. cluster C. stratified B. simple D. systematic 15. The principal groups the senior high school students according to what barangay they live. He randomly chooses 5 barangays and then includes all the students living in the randomly chosen barangays in the sample. Which random sampling technique does he apply? A. cluster C. stratified B. simple D. systematic / 1711. What do you call a number that describes a population characteristic? A. data C. samples B. parameter D. statistic 2. What do you call a number that describes a sample characteristic? A. data C. samples B. parameter D. statistic 3. Which of the following is a parameter? A. 62 C. x B. s D. S2 For numbers 8-11, the following are scores of students: show your solution 9, 7, 8, 9, 7, 5, 8, 10, 7, 8, and 10. 4. What is the value of u? (2 points) A. 7 C. 8 B. 7.33 D. 8.33A. 1.56 5. What is the value of the population variance? (2 points) B. 1.87 C. 2 6. What is the value of o? (2 points) D. 2.2 A. 1.25 B. 1.37 C. 1.41 D. 1.48 For numbers 12-15, the following are the six scores of the students above that are randomly selected: show your solution 9, 7, 5, 8, 7, 8 7. What is the value of the sample mean? (2 points) A. 7 C. 8 B. 7.33 D. 8.33 8. What is the value of s2? (2 points) A. 1.56 C. 2 B. 1.87 D. 2.2 9. What is the sample standard deviation? (2 points) A. 1.25 C. 1.41 B 1.37 D. 1.48
