Want To Apply Bell Curve Pms System In My Firm.

Good day!
I am Rohit and I need help on Bell curve PMS system, which I need to apply in our firm.
I try to get understanding on bell curve where i got information about Standard Deviation and Mean etc. But still I am not able to Implement the same as per the nature of my company.
Kindly help me on the same and try to make the bell curve in EXCEL as per the data given below.
Firm business nature - NBFC
Work - Get advances from public through agents and invest in infrastructure.
Employees - 600
Please prepare the bell curve in excel where I can judge them on the basis of their yearly targets.
Please advice that how to give rating and judge their performance as per bell curve.
10% Poor
80% Average
10% Excellent on the bell curve.
An earlier response will be much appreciated.

Dear Rohit,
Please let me know your contact details for us to get in touch.
Regards
Prashant
9819309762

Hiiiiiiiii,
even I want to know about this , as we have 250 employees & I rated their performance & now my mgt told me to fit this rated performance in bell curve so we can judge them & apprise accordingly
I saw bell curve how to put in Excel ,but now my question is how I relate this with my employees rating,

dear sir
useful sharing and posting for all HR Guyes, who want to implement PMS System in their organisation.

Dear All,
I need help on Bell curve PMS system, which I need to apply in our Company.
I try to get understanding on bell curve where i got information about Standard Deviation and Mean etc. But still I am not able to Implement the same as per the nature of my company.
Kindly help me on the same and try to make the bell curve in EXCEL as per the data given below.
Company business nature - Radio taxi business
Work - Call Center, Airport Operations, Fleet Operations, PRO, Recruitment & Relations, IT & Administration, Enforcement & Collections.
Employees - 70
Please advice that how to give rating and judge their performance as per bell curve.
10% Poor
70% Average
20% Excellent on the bell curve.
An earlier response will be much appreciated.
Thanking you and looking forward for your early reply ASAP.
Best Regards,
Nuruls

Dear Nuruls ,
I hope you have read the material in the links in my above post and digested the contents. Please also see http://web.mit.edu/chintanv/www/Publ...on%20Final.pdf
and let us know what is the basis for applying the Bell Curve and how you chose those percentages.
Also, had you searched CiteHR before raising the query, you would have found some answer at https://www.citehr.com/298388-bell-c...ml#post1346960
Please also see brianpaciotti.com#8206; to appreciate that the data that you have given do not fit a bell shaped curve, but forms a skewed distribution (Slide 8).