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Re: [TowerTalk] My Yearly Mistake

To: Patrick Greenlee <patrick_g@windstream.net>, "towertalk@contesting.com" <towertalk@contesting.com>
Subject: Re: [TowerTalk] My Yearly Mistake
From: Al Kozakiewicz <akozak@hourglass.com>
Date: Mon, 17 Aug 2015 02:17:54 +0000
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
It's not a normal distribution and the variance is high, so neither the median 
or average tells you much about the population. 

Is Mugsy Bogues on that island?

Al
AB2ZY

-----Original Message-----
From: TowerTalk [mailto:towertalk-bounces@contesting.com] On Behalf Of Patrick 
Greenlee
Sent: Sunday, August 16, 2015 10:07 PM
To: towertalk@contesting.com
Subject: Re: [TowerTalk] My Yearly Mistake

On an Island populated by pygmies and NBA stars in equal numbers what good 
would an average height  be?

On 8/16/2015 3:12 PM, Al Kozakiewicz wrote:
>> Which is why knowing the distribution....
> As not everything has a Gaussian (normal; bell) distribution. Much of what is 
> taught in the typical statistics course for non-mathematicians focusses on 
> normal distributions and their variants because they nicely represent so much 
> of real life populations of measurements.
>
> W/R/T median and average, there is no "right" one.  It all depends on the 
> nature of what it is you're measuring and what you want to know.  The median 
> is useful for a lot of sociological data as the question often asked is "what 
> is typical for a single data point".  For populations that are additive in 
> nature (say, rainfall amounts), the average is probably more useful if for no 
> other reason than you can multiply it by the number of samples and get the 
> total for the dataset.
>
> Al
> AB2ZY
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