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Is "How long do the kids in my school sleep?" a statistical question

Step by step, with the reason for every step · Statistical questions and the shape of data · Foundations

Step by step

The question

Question: is "How long do the kids in my school sleep?" a statistical question?

"How long do the kids in my school sleep?"

A statistical question has many answers that vary.

To answer it, we collect data.

statistical = the answers vary

1 Look at who it asks about

It asks about the kids.

That is a group: many people or things.

= about: the kids (a group)

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.

= 15 min, 40 min, 25 min …

So yes: it is a statistical question.

= yes: statistical

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!

we would collect: a list of minutes

Let's look back.

First: look at who it asks about.

Then: see if the answers vary.

Last: check.

Answer
= yes: statistical

Your turn

Try this one yourself, then check:

"How many pets do the students in my class have?"
Show the answer
yes, statistical

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