identifying bias\nwhich scenarios describe da...
identifying bias\nwhich scenarios describe data collected in a biased way? select all that apply.\na principal interviewed the 25 students who scored highest on a reading test.\nwithout looking, trey picked 10 numbers from a bag containing 100 raffle tickets.\nkiara put the names of all the students in her school into a hat. then she drew 5 names.\nfor a report on the exercise habits of adults, sergio talked to 30 adults at a local fitness center.\njosh asked the first 25 people he met at the dog park if they preferred dogs or cats.
Answer
# Brief Explanations:
- Interviewing only high - scoring reading students is biased as it doesn't represent all students.
- Picking raffle tickets randomly is unbiased.
- Drawing student names randomly is unbiased.
- Talking to adults at a fitness center for exercise habits is biased as they are more likely to exercise.
- Asking people at a dog park about pet preference is biased as they are more likely to prefer dogs.
# Answer:
A. A principal interviewed the 25 students who scored highest on a reading test.
D. For a report on the exercise habits of adults, Sergio talked to 30 adults at a local fitness center.
E. Josh asked the first 25 people he met at the dog park if they preferred dogs or cats.