8
QuizMultiple Choice
Sampling Methods
Question 8 of 10 • CR02201A Probability and Statistics
The chart below shows the distribution of the number of books in a library.Sahira chooses a random sample from the library and records the type of books in the chart below.Type of BookNumberFantasy10Literature25Children’s4Nonfiction11Which explains whether or not Sahira’s sample is representative?
Answer
N
No, it is not representative because literature books were chosen much more often than the other types.Y
Yes, it is representative because each type of book was chosen a unique number of times.Y
Yes, it is representative because each type of book was represented in the approximate proportion that exists in the library.Y
Yes, it is representative because each type of book was selected as part of the sample.