To obtain a sample of 10 books in the store, the manager walked to the first shelf next to the cash register to pick the first 10 books on that shelf. This is an example of a
举一反三
- To obtain a sample of 10 books in the store, the manager walked to the first shelf next to the cash register to pick the first 10 books on that shelf. This is an example of a A: systematic sample. B: simple random sample. C: stratified sample. D: convenience sample.
- This light shelf is strong enough to _____ all the books here.
- ______ is a metal stand that keeps books from falling over on the shelf
- 中国大学MOOC: James took the books off the little shelf to make room ______ the new photo frame.
- James took the books off the little shelf to make room ______ the new photo frame. A: towards B: for C: of D: in