Measuring a population...

It's one thing to think of "statistics" in the general sense. For instance,
"100 unique IPs scanned my darknet today".
This doesn't really tell me anything useful, other than (assuming DHCP churn is nil in a given 24 hour period) there's a bit of noise on the line. 100 by itself isn't a really useful number, it's probably not even statistically relevant, is it a holiday? was part of the Internet down today? was it the same device behind a series of NATs?....