Sampling Methods | Categorical Variable | Statistics | The Statisticians
Which of the following would be classified as categorical data?
Choose the correct answer below.
Hair color
Amount of rainfall
Number of suitcases on a plane
Tree height
Identify the type of sampling used (random, systematic, convenience, stratified, or cluster sampling) in the situation described below.
In a poll conducted by a certain researchcenter, 1210 adults were called after their telephone numbers were randomly generated by acomputer, and 96% were able to correctly identify the president
Which type of sampling did the research center use?
Convenience sampling
Random sampling
Systematic sampling
Stratified sampling
Cluster sampling
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