> mean 128.48 (should probably be 127.5)

Strangely enough, after doing a 10000x10000 image (100 million pixels), I'm
still getting a mean of 128.57, median 129 and standard deviation 31.81. It
seems strange that the mean isn't 255/2 = 127.5. I wonder if anyone could
explain this? I don't believe gamma correction or anything like that is a
factor.

 - Slime
 [ http://www.slimeland.com/ ]

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