Step by step
The question
Question: is "How long do the kids in my school sleep?" a statistical question?
A statistical question has many answers that vary.
To answer it, we collect data.
1 Look at who it asks about
It asks about the kids.
That is a group: many people or things.
2 See if the answers vary
Each one can give a different answer.
For example: 15 min, 40 min, 25 min, and so on.
The answers vary.
So yes: it is a statistical question.
3 Check
Let's check: to answer it, we would collect a list of minutes, one for each.
That is data.
So the answer is right!
Let's look back.
First: look at who it asks about.
Then: see if the answers vary.
Last: check.