01 / 03
Is the difference between customer groups real?
The apparent 0.42-point gap fell to 0.07 once partial responses were included.
- 1,840
- 71.2%
- 2
Customer survey, Q2 · 2 files · 1,857 rows
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Who comes back, who leaves, and whether the difference between two groups of people is real.
3 of 11 · Customers
See all examples02 / 03
Why does donor retention look worse than it is?
5,510 people were stored as 6,214 records, depressing reported retention by 10.9 points.
- 58.1%
- 5,510
- 52.0%
Donor file, FY2023 to FY2026 · 3 files · 24,680 rows
Open case study03 / 03
Why is our no-show rate 22%?
The 22.4% rate combined three different events; the unrecovered no-show rate was 11.4%.
- 11.4%
- 24.00
- $340,000
Appointment book, January to June · 3 files · 26,066 rows
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