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Questions and Answers
Why might choosing the four tallest students not form a random sample?
Why might choosing the four tallest students not form a random sample?
- Tall students generally attend more classes. (correct)
- There is nothing wrong with choosing the four tallest students.
- Tall students are always the most attentive in class.
- Tall students generally sit together.
How might choosing students based on their height or seating position introduce bias in a sample selection?
How might choosing students based on their height or seating position introduce bias in a sample selection?
- It may favor certain characteristics like attentiveness or health. (correct)
- There is nothing wrong with choosing based on height or seating position.
- It guarantees a truly random sample.
- It ensures a diverse mix of students.
What could be a reason to avoid selecting only the four students sitting in the back row?
What could be a reason to avoid selecting only the four students sitting in the back row?
- Students sitting in the front row are always healthier.
- Students in the back row often attend more classes.
- Students in the back row might be late or inattentive. (correct)
- There is nothing wrong with choosing the four students sitting in the back row.
