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Hello Ken,
Hope you are doing well.
In your article ”common mistakes and misconception in the use of numerical data used for performance measurement”in the middle of this article talking about theoretical symmetrical distribution of thr annual income of a population, how have u reached the arithmetic mean of this distribution 55400, while the it should be 13750/250=250
second question is about the same topic heading that:
how come arithmetic mean including Gutenburg would be around 55380 if salary bands are reduced by 5% ?
Basically I am struggling to cope with this whole thing, just this annual income example within this article.
Could you help in clarifying these points.
I do apologise in advance if I am not clear enough to you in making my points.Thanks,
The salary mean is calculated by using ?fx/?f:
(10 x 15 + 20 + 25 + …….10 x 95)/(10 + 20 + ….10)
Similarly when Gutenburg is included, the number of people remain the same, salaries go down by 5% and Gutenburg’s details are added (an addidional salary of 10m and one extra person to bring the total of the people to 251).
Don’t fret too much about this topic.
Thanks for your reply.
I still can’t calculate the right salary mean as contained there in the artcile I am getting 55’000 (13750/250).
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