<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><br>Hi. Dave. A perennial problem. To the extent that the population of interest is the same as the population sampled, the problem is alleviated. <br><div dir="ltr">Sent from my Dumb <span style="font-size: 17pt;">Phone</span></div></body></html>