Wedding RSVPs

Waiting to get a finalized head count for my wedding was a pretty interesting time.  I wanted to see how quickly it would take to get a finalized head count.

The data below includes only those who were a "Maybe going to the wedding" from an initial survey.

The graphs show how quickly the "Maybe" folks made their decisions.
Families/Couples are considered one unit, one count.
The wedding invites was sent out on 4/18/12 with a requested RSVP by 5/20/12.

The graph below shows the daily count of "Maybe" folk responses.

The graph below is the daily Cumulative Distribution Function of the "Maybe" folk responses.

Responses peak at the beginning of the RSVP phase and in the last week of the RSVP phase.  We received the most responses between 5/20 and 5/22.  Assuming it takes about 1-2 days for the RSVP to be delivered, I'd say that most people responded on-time.  By 5/22, our "Maybe" responses were only 80% complete.  Amy and I followed up with a couple of e-mails helping us finalize our head count shortly after.  Thank you all for your responses and for making this data possible :)