1. In the following two situations,either stratified random sampling method or cluster sampling methodis used.
(1) Identify the sampling method used,and (2) briefly justify your choice.
- To get an idea of how much detached houses in the city ofVancouver cost these days, Joe went to a real estate web site (likerealtor.ca) to get some information. He divided the city ofVancouver into 20 districts or communities; randomly selected 5 ofthem; and all detached houses (that are listed on the web site)within those 5 districts were chosen.
- To get an idea of how much detached houses in the city ofVancouver cost these days, Joe went to a real estate web site (likerealtor.ca) to get some information. He divided the city ofVancouver into 20 districts or communities; randomly selected 5detached houses from each district; and the 100 (20 districts times5 houses per district) detached houses formed the sample.
Note: In practice, geographic factorshould not be used to do the stratification. It’s used here onlyfor the sake of illustration.
