[AccessD] Math problem??

Jim DeMarco Jdemarco at hudsonhealthplan.org
Wed Aug 18 10:09:16 CDT 2004


There are only 13 categories not 20.  89.9 is the average on the 100 scale.  When I convert each grade to a 1-5 value the average is 4.7.  Make sense?

Jim D.

-----Original Message-----
From: accessd-bounces at databaseadvisors.com
[mailto:accessd-bounces at databaseadvisors.com]On Behalf Of Scott Marcus
Sent: Wednesday, August 18, 2004 10:40 AM
To: Access Developers discussion and problem solving
Subject: RE: [AccessD] Math problem??


How does someone with a score of 89.9 get an average of 4.7? In my book, 89.9/20 = 4.495


-----Original Message-----
From: accessd-bounces at databaseadvisors.com
[mailto:accessd-bounces at databaseadvisors.com]On Behalf Of Jim DeMarco
Sent: Wednesday, August 18, 2004 10:13 AM
To: Access Developers discussion and problem solving
Subject: RE: [AccessD] Math problem??


Interesting thought but I'm not sure that that's the answer either Gustav for a couple of reasons.  

This would mean that every person with a 4.5 or greater would be in the "O" category when they probably belong in "V".  I've also got a person whose old average was 89.9 with a 1-5 average of 4.7 (although maybe that 1/10 of a point is moot in this case I've got to lower one of the 13 grades by over 6 points to see a change in grouping level).

I can always send you my test numbers if you feel like playing with them.

Thanks,

Jim D.

-----Original Message-----
From: accessd-bounces at databaseadvisors.com
[mailto:accessd-bounces at databaseadvisors.com]On Behalf Of Gustav Brock
Sent: Wednesday, August 18, 2004 9:53 AM
To: Access Developers discussion and problem solving
Subject: Re: [AccessD] Math problem??


Hi Jim

Isn't this a normal rounding issue?
If you calculate the final grading as:

  FinalGrading = Int(AverageGrading + 0.5)

you will get an "O" for an average grading of 4.7.

/gustav

> We have an automated employee evaluation form that allows supervisors/managers to grade their staff in 13 categories on the following scale:

> O               100 - 90
> V               89 - 80
> G               79- 70
> I               69 - 60
> U               Below 60

> There's been much discussion among management to change this scale to a 1 to 5 rating but given a sample of 10 evaluations changing each grade above to a 1-5 value does not end up with the same
> average over the 13 categories (in other words, on certain employees who averaged in the "O" or outstanding group the 1-5 average was 4.7 where I need it to be 5 to get them in the Outstanding
> rating).

> Is there a way for us to change our grading system without dropping certain grades from the (previously) correct bucket?

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