described, state whether the sampling procedure is simple random sampling For ea

Question

described, state whether the sampling procedure is simple random sampling For each of the sampling, or convenience sampling. (a) All freshmen at a university are enrolled in 1 of 30 sections of a seminar course. To select a sample of freshmen at this university, a researcher selects course at random from the 30 sections and all students in the 4 selected sections are included in the sample. sections of the seminar O cduster sampling O stratified random sampling and staff at a university, a researcher randomly selects So faculty members from a list of faculty, 100 students from a list of students, and 30 staff members from a list of staff ) cluster sampling systematic sampling cluster sampling

Explanation / Answer

a. Cluster sampling as the whole clusters are selected as sample.

b. Stratified sampling as data is stratified into different groups.

c. Convenience sampling as for convenience professor is just considering his class

d. Random sampling as each unit have equal chance selection

e. Systematic sampling as first k is decided and then every kth item is included in sample

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