Linked by Thom Holwerda on Mon 2nd Feb 2009 12:00 UTC
In the News Since it's nigh on impossible to produce accurate figures of operating system usage, we have to make do with figures that provide a rough estimate, at best. One such set of statistics are the figures from Net Applications, which tracks the 160 million monthly visitors to its hosted websites. The latest figures from January 2009 have been published, and they show that the rise of Mac OS X continues, as well as that of the iPhone and iPod Touch. Unsurprisingly, Windows 7 did quite well too.
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RE[7]: Sample Size
by GODhack on Mon 2nd Feb 2009 19:22 UTC in reply to "RE[6]: Sample Size"
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:) OK lets go now to basics of statistics. Really i do not know where to start.

You must understand that data is random. Like gambling.

Some users visited site last month but not this month.
Some users sow nice article about win7 on same site and downloaded it after reading and changed their os for fow days.
Some users wanted to try how that site looks on their brand new PS3, but they never use PS3 for net really.

Randomness change results of statistics? OMFG So it is useless? NO! Mathematics 200 hundreds years ago developed methods how to interpret those results.
And for sure reasonable interpreting of data need them and they much more complicated that just dividing 2 numbers one from other.

And without this it is time wasting to say that I waked up this month 1% later so I become lazy. Maybe just one day alarm clock failed to work.

I hope you understand now. :|
You are free to ask. ;)

Edited 2009-02-02 19:24 UTC

Reply Parent Score: 2