5. . Which sampling method is used G) A sample consists of every 30th worker fro
ID: 3067886 • Letter: 5
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5. . Which sampling method is used G) A sample consists of every 30th worker from a group of 1000 workers A) stratified B) simple random C) cluster D) convenience E) systematic Gi) A researcher randomly selects 60 of the nation's community hospitals and interviews all of the patients with pneumonia A) stratified B) simple random C) cluster D) convenience E) systematic (iii) A market researcher randomly selects 100 homeowners under 60 years of age and 200 homeowners over 60 years of age A) stratified B) simple random C) cluster D) convenience E) systematic Every fifth adult entering an airport is checked for extra security screening A) stratified B) simple random Giv) C) cluster D) convenience E) systematic () The names of 30 employees are written on 30 cards. The cards are placed in a bag, and three names are picked from the bag. A) stratified B)simple fandom C) cluster D) convenience E) systematicExplanation / Answer
Answer (i) E) Systematic
Reason: Systemtic sampling is a method of sampling in which you determine randomly where you want to start selecting in the sampling frame and then follow a rule to select every kth unit from the sampling frame list.
Answer (ii) C) Cluster
Reason: Cluster sampling is a technique in which the researcher only randomly selects a number of clusters from the collection of clusters of the entire population. .
Answer (iii) A) Stratified
Reason: Stratified sampling is a variation of random sampling; the population is divided into subgroups and weighted based on demographic characteristics of the national population
Answer (iv) E) Systematic
Reason: Systemtic sampling is a method of sampling in which you determine randomly where you want to start selecting in the sampling frame and then follow a rule to select every kth unit from the sampling frame list.
Answer (v) B) Simple random
Reason: In random sampling, each person in the population has an equal chance of being selected
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