Name the sampling method used in each of the following situations by selecting t
ID: 3226023 • Letter: N
Question
Name the sampling method used in each of the following situations by selecting the appropriate letter: a. Random b. Simple random c. Systematic d. Stratified e. Quota f. Stratified Proportional g. Cluster h. Convenience A. A study was done to determine the age, number of times per week, and the amount of time residents use a local park in San Antonio, Texas. i. A house in the neighborhood of the park was randomly selected, and then the resident of every eighth house in the neighborhood was interviewed. The sampling method is called: ii. A block in the neighborhood was randomly selected and all the families living on the block were interviewed. The sampling method is called: B. A woman in the airport is handing out questionnaires to travelers asking them to evaluate the airport's services. She asks every 10^th traveler, randomly selecting the first person, sitting near a gate and not taking a nap while they are waiting for the plane to depart. The sampling method is called: C. The marketing manager for electronics chain store wants information about the ages of its customers in each of its five stores. At each store location, 100 randomly selected customers are given questionnaires to fill out asking for information about age, as well as about other variables of interest. The sampling method is called: D. The librarian at a public library was asked to determine what proportion of library users are children on each of the four floor of the library. The librarian records how many children are in a group of 25 library users on each of the four floor nearest the service desk on that floor. The sampling method is called:Explanation / Answer
A i) Systematic Sampling
With systematic random sampling, we create a list of every member of the population. From the list, we randomly select the first sample element from the first k elements on the population list. Thereafter, we select every kth element on the list
ii) Cluster Sampling
With cluster sampling, the researcher divides the population into separate groups, called clusters. Then, a simple random sample of clusters is selected from the population. The researcher conducts his analysis on data from the sampled clusters
B) Convenience Sample
A convenience sample is one of the main types of non-probability sampling methods. A convenience sample is made up of people who are easy to reach
C) Stratified Sampling
Stratified sampling refers to a type of sampling method . With stratified sampling, the researcher divides the population into separate groups, called strata. Then, a probability sample (often a simple random sample ) is drawn from each group.
D) Convenience Sample
A convenience sample is one of the main types of non-probability sampling methods. A convenience sample is made up of people who are easy to reach
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