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. Make sure to use facts to support your answer.

Question

English

Jackie

12 November, 10:19

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. Make sure to use facts to support your answer.

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Rohan Rhodes · Answer 1

In the question, it states that Juliet wants to find the favourite type of book of the students at her school. She only surveyed her class and her class doesn't represent the entire school as it's just a small portion. 80% of her classmates might like short stories but the majority of the school population might not like short stories. For example, 56% might like young adult, 37% might like science fiction and 7% might like short stories.

So she can't assume that 80% of the school population likes short story when she only surveyed a small percentage of the population.