# Two teams, two readings

Made-up practice story.

The first made-up record has R10 mL; a second matched group's record has R5 mL. Give a cautious comparison and a further question.

## Make something useful

Use a small caption, arrow model, table or spoken explanation for this exact question. Keep the supplied story beside you.



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<summary>Grown-up help</summary>

**Worked practice:** The supplied readings differ by 5 mL. Ask whether reading procedure, instrument increments and matched conditions were checked. The data do not establish which cause explains the difference.

[Complete Day 37 plan](../lessons/day-37.html). This is ordinary practice, not a held assessment source.

[Checked process facts and limits](../references/PRIMARY-READING.html) · F1

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