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Re: [NEWS] 72% employes choose Mac, 75% choose iOS

Cross-posted to 2 groups.

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In message <270420180842565359%nospam@nospam.invalid> nospam <nospam@nospam.invalid> wrote:
> In article <pbuh0b$52u$1@gioia.aioe.org>, Your Name
> <YourName@YourISP.com> wrote:

>> >>> At least that's true for the measely 580 people they bothered to
>> >>> survey, making the whole thing a complete waste of time and money, and
>> >>> the "results" simply a load of bollocks reported as fact, as always
>> >>> with silly "surveys" / "polls" / "studies".
>> >> 
>> >> go learn something about surveys.
>> > 
>> > Specifically check the chapter on "sampling". If you want to attack 
>> > sampling it won't be by the total base, but by the myriad other factors.
>> 
>> I already know all about surveys, statistics, etc. ... I've got a 
>> university degree that includes it, That's how I know most of them are 
>> useless and badly run, and NEVER actually accurate, and that the 
>> reported results are over-hyped and almost meaningless.

> if you actually had paid attention in class (assuming you even went to
> class), you wouldn't be saying such garbage.

> here's a sample size calculator:
> <https://www.surveymonkey.com/mp/sample-size-calculator/>

> for 1 million population, 95% confidence and 5% margin of error, you
> only need 385 respondents and 666 respondents for a 99% confidence.

Same for 1 billion people.

Also for 1 trillion people.

for 500 people, you need a sample size of 218.

For 100 people, you need a sample of 80.

> the above survey had 580 respondents. in other words, it's quite
> accurate.

IF the 580 sample is entirely random, yes. Getting a random sample is
*exceedingly* hard.

-- 
"Master, what is the difference between a humanistic, monastic system of
belief in which wisdom is sought by means of an apparently nonsensical
system of questions and answers, and a lot of mystic gibberish made up
on the spur of the moment?" Wen considered this for some time, and a
last said: "A fish!"

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[NEWS] 72% employes choose Mac, 75% choose iOS Your Name <YourName@YourISP.com> - 2018-04-27 09:44 +1200
  Re: [NEWS] 72% employes choose Mac, 75% choose iOS Alan Baker <alangbaker@telus.net> - 2018-04-26 14:47 -0700
    Re: [NEWS] 72% employees choose Mac, 75% choose iOS Your Name <YourName@YourISP.com> - 2018-04-27 13:25 +1200
      Re: [NEWS] 72% employees choose Mac, 75% choose iOS Alan Baker <alangbaker@telus.net> - 2018-04-26 18:44 -0700
        Re: [NEWS] 72% employees choose Mac, 75% choose iOS Your Name <YourName@YourISP.com> - 2018-04-27 18:44 +1200
          Re: [NEWS] 72% employees choose Mac, 75% choose iOS Alan Baker <alangbaker@telus.net> - 2018-04-27 00:32 -0700
            Re: [NEWS] 72% employees choose Mac, 75% choose iOS Your Name <YourName@YourISP.com> - 2018-04-27 19:39 +1200
              Re: [NEWS] 72% employees choose Mac, 75% choose iOS Alan Baker <alangbaker@telus.net> - 2018-04-27 00:48 -0700
                Re: [NEWS] 72% employees choose Mac, 75% choose iOS Your Name <YourName@YourISP.com> - 2018-04-28 09:52 +1200
                Re: [NEWS] 72% employees choose Mac, 75% choose iOS Your Name <YourName@YourISP.com> - 2018-04-28 10:18 +1200
                Re: [NEWS] 72% employees choose Mac, 75% choose iOS Lewis <g.kreme@gmail.com.dontsendmecopies> - 2018-04-28 21:48 +0000
      Re: [NEWS] 72% employees choose Mac, 75% choose iOS gtr <xxx@yyy.zzz> - 2018-04-26 19:08 -0700
  Re: [NEWS] 72% employes choose Mac, 75% choose iOS Alan Browne <bitbucket@blackhole.com> - 2018-04-26 17:49 -0400
  Re: [NEWS] 72% employes choose Mac, 75% choose iOS nospam <nospam@nospam.invalid> - 2018-04-26 17:56 -0400
    Re: [NEWS] 72% employes choose Mac, 75% choose iOS gtr <xxx@yyy.zzz> - 2018-04-26 19:02 -0700
      Re: [NEWS] 72% employes choose Mac, 75% choose iOS Your Name <YourName@YourISP.com> - 2018-04-27 18:46 +1200
        Re: [NEWS] 72% employes choose Mac, 75% choose iOS nospam <nospam@nospam.invalid> - 2018-04-27 08:42 -0400
          Re: [NEWS] 72% employes choose Mac, 75% choose iOS Lewis <g.kreme@gmail.com.dontsendmecopies> - 2018-04-27 17:42 +0000
        Re: [NEWS] 72% employes choose Mac, 75% choose iOS Alan Browne <bitbucket@blackhole.com> - 2018-04-27 09:55 -0400
          Re: [NEWS] 72% employes choose Mac, 75% choose iOS nospam <nospam@nospam.invalid> - 2018-04-27 09:58 -0400

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