researcher airline interviews passengers randomly selected flights

A researcher for an airline, interviews all of the passengers on five randomly selected flights.

Video Transcript

Hello everyone in this problem we have just gave out the questionnaires to one area of airport. That would probability just be a convenient sample for be women. No, each A Rose would be Each Rose would be grow up. She used all people she used all people in group of psychologists and group of psychologist that this 3960. No. You select. You select the sort a number 13, number 100 students of 100 student of groups, stratified, stratified sample 30 and each systematic, each systematic and through those and through those 3960 randomly selected randomly selected. That would be simple random sample, simple random sample. Thank you.

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Gauthmathier2118

Grade 11 · 2022-05-18

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A researcher for an airline interviews all of the passengers on five randomly selected flights. Identify which sampling technique is used.
Convenience
Stratisfied0
Cluster
Random

Julian

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What category of sampling technique includes stratified sampling?

Probability sampling means that every member of the target population has a known chance of being included in the sample. Probability sampling methods include simple random sampling, systematic sampling, stratified sampling, and cluster sampling.

How is a sample related to a population?

A population is the entire group that you want to draw conclusions about. A sample is the specific group that you will collect data from. The size of the sample is always less than the total size of the population.

Which of the following is the best definition of cluster sampling?

Cluster sampling is defined as a sampling method where the researcher creates multiple clusters of people from a population where they are indicative of homogeneous characteristics and have an equal chance of being a part of the sample.

Why is a sample used more often than a population?

Usually, a sample of the population is used in research, as it is easier and cost-effective to process a smaller subset of the population rather than the entire group. The measurable characteristic of the population like the mean or standard deviation is known as the parameter.

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