Lesson 7 of 9
The big picture
Show on a big screenHere is the whole track in one list.
| Idea | Remember |
|---|---|
| What is data | Data is facts you collect and keep. |
| Kinds of data | Data can be numbers, words, pictures, video or sounds. |
| Groups | Grouping puts each answer in one clear bucket. |
| Tallying | A tally counts in bundles of five. |
| Pictographs | Read the key first, then count the pictures. |
| Bar charts | A taller bar means a bigger count. |
Your maths book has a chapter on data handling. It teaches more about the same ideas.
Next: Meeting AI: What It Is and What It Isn't. You have sorted, tallied and charted real data. The next track needs that skill.