C-first · my four questions · full no-image alternative

Own selected page: prompts outside four empty white interiors. Use the matching complete source; no expected answers here.

1. What do S1 and S2 say happened? Keep their difference.

2. What can we say about S3? What question could help?

3. What does 0 in S4 measure? What does it not mean?

4. Make one honest status row for a slip.

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