ellen met 7 students in each class at her school. each class has an equal number of students. is this sample…

ellen met 7 students in each class at her school. each class has an equal number of students. is this sample of the students of the school likely to be biased? yes no
Answer
Answer:
yes
Explanation:
Step1: Analyze sampling method
Only meeting 7 students per class is not random.
Step2: Determine bias
It may not represent all students, so it's biased.