Respuesta :
Step-by-step explanation:
Greta’s sample is Biased . The generalization made from the sample is Not Valid .
This is because Greta only asked HER classmates and not from other classes. Besides, that sample if too small for a population as big as most 7th graders. (I got this right in my test from Edmentum). Hope I Helped!!! :)
Greta’s sample was biased in her analysis about the book involved.
What is Bias?
This is defined as the act of supporting or opposing a particular person or thing in an unfair way and is usually preconceived.
The generalization she made however isn't valid and has elements of bias as she asked only her classmates.
Read more about Bias here https://brainly.com/question/4540984