[mnky9800n]

Show me a measurement that doesn't come with bias

[Bootvis]

I have one apple.

[hcs]

Oops, it was an Asian pear: https://en.wikipedia.org/wiki/Pyrus_pyrifolia

[teamonkey]

Survivorship bias

[vntok]

You took a bite off it though, so your measurement is in fact biased. Other people might measure 0.75 apple instead.