Unit 3: Sampling Method Designs

Question 1

Simple Random Sample (SRS)

Answer 1

put the names/numbers of all on n slips of paper and place in a hat. mix and randomly draw r slips of paper without replacement. survey the corresponding people

Question 2

stratified random sample

Answer 2

sort everyone into strata then number n in all the stratum. place the numbers in a hat and draw r numbers. survey the corresponding people in that specific stratum. repeat the process for all strata

Question 3

cluster random sample

Answer 3

number all clusters and put the numbers into a hat. mix and randomly select a number from the hat. survey everyone in that cluster

Question 4

systematic random sample

Answer 4

number all ___ and place ___ numbers in a hat. mix and randomly select one number and survey the corresponding person. survey every nth person on the list after that