Marcy wants to know which type of book is most commonly checked out by visitors of her local public library. She surveys people in the children’s reading room between 1:00 and 2:00 on Saturday afternoon. Select all the statements about Marcy’s survey that are true.
1. Marcy’s sample is not representative because not all of the library’s visitors go to the children’s reading room.
2. Marcy’s sample is a representative sample of the population.
3. Marcy will get a random sample by surveying as many people in the children’s reading room as possible.
4. The population of Marcy’s study consists of all visitors of the public library.
5. The results of Marcy’s survey include a mode, but neither a mean nor a median.