Replies posted by vipin.shyam

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vipin.shyamRenowned Participant
asked in How To and Technical Support

Score for sub populations not adding up / not tallying / not matching

For the benefit of people in the community, let me attempt answering my own question. The average of averages is not a recommended check. Why ? Below is why : In the below instance the combined average is 4.375. If I were to take an average of only employees it would be 1 & if I were to take average of managers separately it would be 10. The average of averages in that case would be ( 1 + 10 ) /2  = 5.5, which is different from the overall average of 4.375. Category Score Employee 1 Employee 1 Employee 1 Employee 1 Employee 1 Manager 10 Manager 10 Manager 10 Average 4.375   The only time average of averages work is when each of the subpopulation has exactly the same number of people. For example, I increase the number of managers to match the number of employees as below : Category Score Employee 1 Employee 1 Employee 1 Employee 1 Employee 1 Manager 10 Manager 10 Manager 10 Manager 10 Manager 10 Average 5.5  Here the

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1 year ago
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