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5:34 AM
@XanderHenderson Thanks :) But it seems that we agree that the convention varies depending on regional variation -- which means that there's no one "right" answer. I remain unconvinced that this isn't a matter of opinion, but I do appreciate being able to discuss it :)
 
 
1 hour later…
 
1 hour later…
7:49 AM
Not an answer but has two upvotes and NAA review failed... @XanderHenderson @RRL @BillDubuque
 
8:40 AM
D1, D2, D3.
D4, D5, D6.
D7, D8, D9.
 
8:50 AM
C1, C2, C3.
C4, C5, C6.
C7, C8, C9.
 
 
3 hours later…
11:40 AM
[ SmokeDetector | MS ] Link at end of answer (60): Sample size requirements in survey by Harish Vaid on math.SE
 
 
3 hours later…
2:12 PM
@postmortes :)
 
 
7 hours later…
8:44 PM
Incorrect accepted answer with 13 upvotes, cf. my comment there. The other answer also has the same problem.
 

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