Whether sample is stratified random sample or cluster sample

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Reference no: EM131411094

In each part, identify whether the sample is a stratified random sample or a cluster sample.

a. A class of 200 students is seated in 10 rows of 20 students per row. Three students are randomly selected from every row.

b. An airline company randomly chooses one flight from a list of all international flights taking place that day. All passengers on that selected flight are asked to fill out a survey on meal satisfaction.

Reference no: EM131411094

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