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THE FEUTEX TOOLKIT

Event RSVP Attendance Scenario

Estimate attendance from accepted, undecided and no-response groups with separate assumptions.

Events workspace● Runs in your browser
01 Your input
02 Your result
View or copy raw result data
FormulaExpected = accepted*accepted_show/100+undecided*undecided_show/100+no_response*no_response_show/100; Invited = accepted+undecided+no_response

Worked example

Inputs

Accepted
80 people
Accepted show
95 %
Undecided
30 people
Undecided show
50 %
No response
40 people
No response show
10 %

Expected results

Expected
95 people
Invited
150 people

Load the example in the workspace to reproduce these results. Display rounding does not change the underlying calculation.

How to use this tool

  1. Enter the measured quantities and your own planning assumptions.
  2. Review all calculated outputs and the stated limitations.

Try this example

{
  "accepted": 80,
  "accepted_show": 95,
  "undecided": 30,
  "undecided_show": 50,
  "no_response": 40,
  "no_response_show": 10
}

Accuracy and scope

Expected count from your assumptions; not a prediction interval or guarantee.

Is my data uploaded?

This tool runs locally in your browser. Input and output are not sent to a processing server. Copy or download your result before leaving the page.