Lesson 2 of 7
Data that fits the question
Show on a big screenA music app suggests a song you like. What data could it use?
Step 1 of 4
- How long will the school bus take? Use distance, rain and road works.
- How many chairs does a hall need? Use past attendance.
- Which song next? Use the songs you played before.
- In each row, the data matches the question.
It can use the songs you played before.
Companies use past data to guess what comes next. Past attendance helps guess how many chairs a hall needs.
A bus company can use distance and rain. It can also use road works. Road works are repairs on the road.
Data-driven answer — an answer worked out from data.
A needs data that matches the question.
Watch out!
More data is not always better data. Better data must describe the thing you want to guess.
Read each question. Pick the data that fits it.
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Try the lab to finish this lesson.