Which of the following are statistical questions? Select all that apply.

1. How many books did the students at this school read over the summer?
2. What is your favorite ice cream flavor?
3. How many letters are in the first name of each person in this class?
4. How many hours do the students in this class sleep each night?
5. How many hours a night do you spend on homework?
6. How many chocolate chip cookies were made in the bakery last week?

the law of definite proportions states samples of a compound will always contain the same proportion of elements by mass. in other words, a given compound will always contain the same elements in the same proportions by mass.the law of multiple proportions states when two elements combine with each other to form more than one compound, then the weights of one element that combine with a fixed weight of the other are in a ratio of small whole numbers.