Question

Juliet conducted a survey to find the favorite type of book of the students at her school. She asked 20 students from her class what their favorite type of book is. Juliet concludes that short stories is the favorite type of book of the students in her school because 80% of the students in her class like short stories.

Use at least two sentences to explain why Juliet's sample may not be valid.

Answer 1

@Michele_Laino

Answer 2

She only asked students from her class, so the sample may not be representative of the entire school. Also, it does not state whether the 20 students were selected randomly or not. She would be better off selecting 20 students at random from the entire school.

Answer 3

I think that the sample used by Juliet, is not a random sample

Answer 4

this is the answer?

She only asked students from her class, so the sample may not be representative of the entire school. Also, it does not state whether the 20 students were selected randomly or not. She would be better off selecting 20 students at random from the entire school.

Answer 5

@Vocaloid

Answer 6

@vocaloid @Michele_Laino

Answer 7

@Michele_Laino