Oh yeah you have to chew gum and rub your tummy at the same time…
Seriously though that is odd. So you chose a zip code, entered the min and max close of escrow dates, and then hit statistics right? Then you should get a little table with min, avg, and max in it. Then select avg and paste it in here. When you paste it each field with have a carraige return so you have to back space them to get them all on the same line. Slight manual labor…still a no go?