Here are sampling guidelines to ensure good data for your post-event reports.
- Please ask two questions: 1) Are you staying at an area hotel? and 2) what is your home zip code?
- Minimum sample size is 30 surveys. Please see table below for the ideal number to collect.
- Maximum needed is 400 surveys.
- Here is the sample size calculator: https://www.surveymonkey.com/mp/sample-size-calculator/
| Attendance at your event | Number of surveys to collect ±5% Confidence Level (95% confidence level) | Percentage of total attendees | What it means |
| 100 | 80 | 80% | Actual data, based on the responses, may be up to 5% lower or higher |
| 250 | 152 | 60% | |
| 500 | 220 | 44% | |
| 1,000 | 285 | 29% | |
| 3,000 | 350 | 12% | |
| 5,000 | 370 | <1% | |
| 10,000 | 385 | <1% |