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From Sam Ruby <ru...@intertwingly.net>
Subject Re: Open source as employment?
Date Fri, 19 Jul 2019 02:22:46 GMT
On Thu, Jul 18, 2019 at 9:50 PM Justin Mclean <justin@classsoftware.com> wrote:
>
> Hi,
>
> > Ok, cool... so 50% of those that like to reply to, and have time for,
> > surveys…
>
> It probably a little more representative than you may think. While there might be a couple
of assumptions made, plugging in the numbers in say [1] gives a 95% confidence of 3.3% margin
of error or 99% confidence of a 4.4% margin of error. But hopefully the new survey will explore
things along these lines and give us a better picture.

Unfortunately, such calculations don't help if there is statistical
bias[2] involved. Note that bias in this case is a technical term and
does not necessarily have anything to do with intent.

Source: was a math major.

> Thanks,
> Justin
>
> 1. https://www.checkmarket.com/sample-size-calculator/

2. https://en.wikipedia.org/wiki/Bias_(statistics)

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