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Which is the BEST tool to use while still collecting raw data from many people?

Class 6Data HandlingData Handling
  • APictograph
  • BBar graph
  • CTally marks
  • DFrequency table

Step-by-Step Solution

Tally marks are perfect for live counting because each item gets a quick stroke. The other tools are for displaying or summarising already-collected data.
Answer: C) Tally marks

Key idea: Choosing the right representation

- **Tally**: while collecting data.
- **Frequency table**: clean, compact, easy to do further maths with.
- **Pictograph**: friendly visual, low precision (Class 4-6 audience).
- **Bar graph**: precise comparison, good for any age.

Line graphs and pie charts come in later classes.

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